Indonesia
Opensignal is the independent global standard for analyzing consumers' connectivity experiences. Our industry reports are the definitive guide to understanding what happens when people use their mobile and broadband connections in their daily life.
Indonesia
Opensignal is the independent global standard for analyzing consumers' connectivity experiences. Our industry reports are the definitive guide to understanding what happens when people use their mobile and broadband connections in their daily life.
Key Findings
Telkomsel’s subscribers enjoy the fastest speeds in Indonesia
Our users in Indonesia enjoy the fastest download and upload speeds on Telkomsel’s network — both overall and 5G. Telkomsel sees the highest increase in its 5G Download Speed score out of all Indonesia’s national operators, of 11Mbps. Our Indonesian users enjoy the fastest overall download speeds on Telkomsel’s network in Jakarta Raya, while the fastest 5G download speeds are also on Telkomsel in Lesser Sunda Islands.
IM3 scores the overall experiential hat-trick
IM3 is the sole winner of three Opensignal awards that measure the experience of our users using certain services, i.e. Video Experience, Games Experience and Voice App Experience. IM3 also overtakes Telkomsel for 5G Video Experience, claiming the award outright.
Telkomsel leads for 5G Availability
Telkomsel is the most advanced in deploying 5G in Indonesia so far — and so, it wins 5G Availability for the second time in a row, remaining unbeaten for this award since Opensignal introduced it in the previous report. It commands a lead of around three percentage points over its statistically tied competitors — IM3 and XL. Telkomsel's score has increased by two percentage points, while IM3 and XL haven’t seen significant changes in their 5G Availability results.
IM3 wins both Consistent Quality and Reliability Experience outright for the first time
IM3 is the sole winner of Consistent Quality, with a score of 71.8%, beating XL by three percentage points. It also takes the top spot for the Reliability Experience award with a score of 878 points on a 100-1000 point scale — and a winning margin of 22 points over XL. Looking across all of Indonesia's regions and operators, our users on IM3's network in Jawa Timur enjoy the most reliable mobile services.
Telkomsel outperforms the competition for Coverage Experience
Telkomsel leads for Coverage Experience again, winning the award this time with a score of 8.7 points on a 10-point scale. It commands a sizable lead over its competitors, as IM3 scores 5.1 points and XL — 4.7 points. These scores mean Telkomsel has the widest geographic footprint of coverage in populated areas out of all mobile operators in Indonesia.
IM3 and Telkomsel battle fiercely for regional awards across Indonesia
IM3 collects 37 regional awards outright and 21 jointly across Indonesia’s regions, while Telkomsel is the sole winner 35 times and shares the podium 23 times. Compared to its competitors, XL’s regional award haul is more humble, with 10 awards won outright and 19 jointly. Telkomsel shines for 5G regional categories and Games Experience, while IM3 leads in the regions for Video Experience, Voice App Experience or both Consistency awards.
Mobile Experience Awards
Market Overview
It’s a two-horse race in Opensignal's latest Indonesia Mobile Network Experience report — as Telkomsel wins seven awards outright and one jointly, just ahead of IM3’s seven sole victories. Telkomsel excels mostly for speed and 5G categories, while IM3 — mainly for experiential and consistency awards. XL ends with a single joint win for 5G Voice App Experience.
The biggest recent event in the Indonesian mobile market was undoubtedly the completion of the XL and Smartfren merger. Both parties announced the definitive agreement in December 2024 and introduced the new operator XLSmart in April 2025. The new entity will serve 94.5 million customers — a quarter of the Indonesian mobile market. The merging partners expect to generate $300-400 million in pre-tax synergies, driven by network integration, shared infrastructure and operational efficiencies — although they will need to hand over 7.5MHz of spectrum in the 900MHz range, that the Indonesian regulator Komdigi will re-auction.
Indonesian operators have signed strategic partnerships to boost their mobile and fixed broadband developments. Nokia and Indosat Ooredoo Hutchison (IOH), owner of the IM3 brand, extended their contract to expand their 4G and 5G network in the market. This agreement covers fixed wireless access (FWA) roll-outs to increase fixed broadband access and improve digital inclusion in underserved areas. Meanwhile, Telkomsel and Huawei inked a deal to explore hybrid fiber and 5G technologies with the aim of accelerating home broadband implementation.
Indonesian mobile operators have been struggling with access to spectrum, which hampers the country’s performance compared to other markets in the APAC region. Komdigi plans to auction more spectrum, on top of the aforementioned 900MHz spectrum handed back by XLSmart and the already announced auction of 1.4GHz band dedicated to 5G BWA services. The regulator intends to hold 700MHz and 2.6MHz auctions in 2025, prioritizing the auctioning of the latter band, for 5G deployments. However, the much awaited 3.5GHz band won’t be available until 2028 — due to its balance of speed, capacity, coverage and combination, it’s been the main band for 5G deployments in the Asia Pacific region so far.
In this report we examine the mobile network experience of the three main mobile network operators in Indonesia — IM3, Telkomsel and XL — over a period of 90 days starting on February 1, 2025, and ending on May 1, 2025, to see how they fared. Along with our national analysis, we've also examined users' mobile network experience across 10 of Indonesia's major regions. Due to the confirmed IOH and XLSmart mergers, we will no longer be reporting on both 3 and Smartfren in the Indonesia Mobile Network Experience reports, instead we will focus on the main brands of these three operators.
Overall Experience
National Analysis
IM3 wins the Video Experience award outright with a score of 66.3 points on a 100-point scale. Regardless of their choice of an operator, our Indonesian users experience Good (58-68) mobile on-demand video services. This means that our users are, on average, able to stream video at 720p or better with satisfactory loading times and little stalling.
Video Experience scores account for adaptive bitrate streaming (ABR), a technology that allows Opensignal to accurately represent users' real video experience including video streams up to 4K quality.
Definitions
Opensignal’s Video Experience quantifies the quality of video streamed to mobile devices by measuring real-world video streams over an operator's networks. The metric is based on an International Telecommunication Union (ITU) approach, built upon detailed studies which have derived a relationship between technical parameters, including picture quality, video loading time and stall rate, with the perceived video experience as reported by real people. To calculate video experience, we are directly measuring video streams from end-user devices and using this ITU approach to quantify the overall video experience for each operator on a scale from 0 to 100. The videos tested include a mixture of resolutions — including Full HD (FHD) and 4K / Ultra HD (UHD) — and are streamed directly from the world’s largest video content providers.
In addition to Video Experience, we report on the following metrics related to video experience:
- 5G Video Experience: The average Video Experience of Opensignal users when they were connected to an operator’s 5G network.
- Video Experience – 5G Users: The average Video Experience of Opensignal users with a 5G device and a 5G subscription across an operator's networks. It factors in 2G, 3G, 4G and 5G video experience along with the availability of each technology.
- 4G Video Experience: The average Video Experience of Opensignal users on an operator's 4G network.
- 3G Video Experience: The average Video Experience of Opensignal users on an operator’s 3G network.
National Analysis
IM3 triumphs for Games Experience with a score of 83.3 points on a 100-point scale. All operators rate as Good (75-85) for Games Experience — meaning that most users deem the experience acceptable. The gameplay experience is generally controllable and the user receives immediate feedback between their actions and the outcomes in the game. Most users do not experience a delay between their actions and the gameplay.
Definitions
Opensignal’s Games Experience measures how mobile users experience real-time multiplayer mobile gaming on an operator’s network. Measured on a scale of 0-100, it analyzes how our users’ multiplayer mobile gaming experience is affected by mobile network conditions including latency, packet loss and jitter.
Games Experience quantifies the experience when playing real-time multiplayer mobile games on mobile devices connected to servers located around the world. The approach is built on several years of research quantifying the relationship between technical network parameters and the gaming experience as reported by real mobile users. These parameters include latency (round trip time), jitter (variability of latency) and packet loss (the proportion of data packets that never reach their destination). Additionally, it considers multiple genres of multiplayer mobile games to measure the average sensitivity to network conditions. The games tested include some of the most popular real-time multiplayer mobile games (such as Fortnite, Pro Evolution Soccer and Arena of Valor) played around the world.
Calculating Games Experience starts with measuring the end-to-end experience from users’ devices to internet end-points that host real games. The score is then measured on a scale from 0 to 100.
In addition to Games Experience, we report on the following metrics related to games experience:
- 5G Games Experience: The average Games Experience of Opensignal users when they were connected to an operator’s 5G network.
- Games Experience – 5G Users: The average Games Experience of Opensignal users with a 5G device and a 5G subscription across an operator's networks. It factors in 2G, 3G, 4G and 5G games experience along with the availability of each technology.
- 4G Games Experience: The average Games Experience of Opensignal users on an operator's 4G network.
- 3G Games Experience: The average Games Experience of Opensignal users on an operator's 3G (e.g. UMTS/HSPA or CDMA 1X EV-DO) network.
National Analysis
IM3 comes first for the Voice App Experience award with a score of 80.6 points on a 100-point scale — one point ahead of XL.
IM3 and XL place in the Good (80-87) category. This means many users are satisfied but some experience minor quality impairments. For example, clicking sounds or distortion are very rarely present.
Definitions
Opensignal's Voice App Experience measures the quality of experience for over-the-top (OTT) voice services — mobile voice apps such as WhatsApp, Skype and Facebook Messenger — using a model derived from the International Telecommunication Union (ITU) approach for quantifying overall voice call quality and a series of calibrated technical parameters. This model characterizes the exact relationship between the technical measurements and perceived call quality. Voice App Experience for each operator is calculated on a scale from 0 to 100.
In addition to Voice App Experience, we report on the following metrics related to voice app experience:
- 5G Voice App Experience: The average Voice App Experience of Opensignal users when they were connected to an operator’s 5G network.
- Voice App Experience – 5G Users: The average Voice App Experience of Opensignal users with a 5G device and a 5G subscription across an operator's networks. It factors in 2G, 3G, 4G and 5G voice app experience along with the availability of each technology.
- 4G Voice App Experience: The average Voice App Experience of Opensignal users on an operator's 4G network.
- 3G Voice App Experience: The average Voice App Experience of Opensignal users on an operator's 3G (e.g. UMTS/HSPA or CDMA 1X EV-DO) network.
National Analysis
Our Telkomsel users continue to enjoy the fastest average overall download speeds in Indonesia, as the operator wins the award with a score of 26.2Mbps. XL comes second, 1Mbps behind the winner.
Definitions
Measured in Mbps, Download Speed Experience represents the typical everyday speeds a user experiences across an operator’s mobile data networks.
In addition to Download Speed Experience, we report on the following metrics related to download speeds:
- 5G Download Speed: The average download speed observed by Opensignal users with active 5G connections.
- Download Speed Experience – 5G Users: The average download speeds experienced by Opensignal users with a 5G device and a 5G subscription across an operator’s networks. It factors in 2G, 3G, 4G, and 5G download speeds along with the availability of each technology.
- 4G Download Speed: The average downlink speed observed by Opensignal users when they were connected to 4G.
- 3G Download Speed: The average downlink speed observed by Opensignal users when they were connected to 3G (e.g. UMTS/HSPA or CDMA 1X EV-DO).
National Analysis
Telkomsel regains the Upload Speed Experience award, which it lost for one report to one of IOH’s brands — 3 — in the last report. The operator claims it back with the result clocking in at 10.74Mbps a hair over the scores on IM3 and XL.
Definitions
Upload Speed Experience measures the average upload speeds for each operator observed by our users across their mobile data networks. Typically upload speeds are slower than download speeds, as current mobile broadband technologies focus resources on providing the best possible download speed for users consuming content on their devices. As mobile internet trends move away from downloading content to creating content and supporting real-time communications services, upload speeds are becoming more vital and new technologies are emerging that boost upstream capacity.
In addition to Upload Speed Experience, we report on five supporting metrics related to upload speeds:
- 5G Upload Speed: The average upload speed observed by Opensignal users with active 5G connections.
- Upload Speed Experience – 5G Users: The average upload speeds experienced by Opensignal users with a 5G device and a 5G subscription across an operator’s networks. It factors in 2G, 3G, 4G, and 5G upload speeds along with the availability of each technology.
- 4G Upload Speed: The average uplink speed observed by Opensignal users when they were connected to 4G.
- 3G Upload Speed: The average uplink speed observed by Opensignal users when they were connected to 3G (e.g. UMTS/HSPA or CDMA 1X EV-DO).
Regional Analysis
Regional Analysis Summary: Indonesia, Mobile Network Experience Report, June 2025
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- Banten
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- Jakarta Raya
- Jawa Barat
- Jawa Tengah
- Jawa Timur
- Kalimantan
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- Sulawesi
- Sumatra
- Yogyakarta
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5G Experience
National Analysis
IM3 snatches 5G Video Experience away from Telkomsel’s hands, winning the award outright with a score of 74.5 points on a 100-point scale. It beats its statistically-tied competitors by around one point,
IM3, Telkomsel and XL place in the Very Good (68-78) category for 5G Video Experience. This rating means that our users are, on average, able to stream video at 1080p or better with satisfactory loading times and little stalling.
5G Video Experience scores account for adaptive bitrate streaming (ABR), a technology that allows Opensignal to accurately represent users' real video experience including video streams up to 4K quality.
Definitions
5G Video Experience quantifies the quality of mobile video experienced by Opensignal users on real-world video streams when they were connected to 5G. The metric is based on an International Telecommunication Union (ITU) approach, built upon detailed studies which have derived a relationship between technical parameters, including picture quality, video loading time and stall rate, with the perceived video experience as reported by real people. To calculate 5G Video Experience, we are directly measuring video streams from end-user devices and using this ITU approach to quantify the video experience observed by our users on each operator’s 5G network on a scale from 0 to 100. The videos tested include a mixture of resolutions — including Full HD (FHD) and 4K / Ultra HD (UHD) — and are streamed directly from the world’s largest video content providers.
National Analysis
The 5G Games Experience award remains in Telkomsel’s firm grip, as the operator wins the recognition with a score of 89.3 points on a 100-point scale — and with a winning margin of two points over its statistically-tied rivals.
Regardless of their choice of an operator, our Indonesian users enjoy an Excellent (85 or above) 5G Games Experience. This means that the vast majority of users deem this 5G network experience acceptable. Nearly all users feel like they have control over the game and they receive immediate feedback on their actions. There is not a noticeable delay in almost all cases.
Definitions
5G Games Experience measures how mobile users experience real-time multiplayer mobile gaming on an operator's 5G network. It analyzes how our users’ multiplayer mobile gaming experience was affected by mobile network conditions including latency, packet loss and jitter. 5G Games Experience for each operator is calculated on a scale from 0 to 100.
5G Games Experience quantifies the experience when playing real-time multiplayer mobile games on mobile devices connected to servers located around the world. The approach is built on several years of research quantifying the relationship between technical network parameters and the gaming experience as reported by real mobile users. These parameters include latency (round trip time), jitter (variability of latency) and packet loss (the proportion of data packets that never reach their destination). Additionally, it considers multiple genres of multiplayer mobile games to measure the average sensitivity to network conditions. The games tested include some of the most popular real-time multiplayer mobile games (such as Fortnite, Pro Evolution Soccer and Arena of Valor) played around the world. Calculating 5G Games Experience starts with measuring the end-to-end experience from users’ devices to internet end-points that host real games.
National Analysis
XL and Telkomsel remain locked in a statistical tie for 5G Voice App Experience, with scores of 83.4-83.7 points on a 100-point scale
All Indonesian national operators place in the Good (80-87) category. This means many users are satisfied but some experience minor quality impairments. For example, clicking sounds or distortion are very rarely present.
Definitions
5G Voice App Experience quantifies the experience of Opensignal users when using over-the-top voice apps — such as WhatsApp, Skype and Facebook Messenger — on an operator’s 5G network. It uses a model derived from the International Telecommunication Union (ITU) approach for quantifying overall voice call quality and a series of calibrated technical parameters. This model characterizes the exact relationship between the technical measurements and perceived call quality. 5G Voice App Experience for each operator is calculated on a scale from 0 to 100.
National Analysis
Telkomsel confirms its supremacy for 5G Download Speed, with a score of 65.9Mbps — 18Mbps faster than the runner-up IM3.
The outright winner Telkomsel sees the highest increase in its 5G Download Speed score, of 11Mbps, followed by XL’s 4Mbps.
Definitions
5G Download Speed shows the average download speed experienced by Opensignal users across an operator’s 5G network. 5G Download Speed for each operator is calculated in Mbps (Megabits per second).
National Analysis
Telkomsel retains the 5G Upload award, winning it this time with a score of 24.8Mbps. It beats IM3 by around 4Mbps. Both IM3 and XL scores have increased by 2Mbps each, while Telkomsel’s — by less than 1Mbps.
Definitions
5G Upload Speed measures the average upload speeds experienced by Opensignal users across an operator’s 5G network. 5G Upload Speed for each operator is calculated in Mbps (Megabits per second).
Regional Analysis
Regional Analysis Summary: Indonesia, Mobile Network Experience Report, June 2025
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- Jakarta Raya
- Jawa Barat
- Jawa Tengah
- Jawa Timur
- Lesser Sunda Islands
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Coverage
National Analysis
Telkomsel leads for Coverage Experience again, winning the award this time with a score of 8.7 points on a 10-point scale. It commands a sizable lead over its competitors, as IM3 scores 5.1 points and XL — 4.7 points.
These scores mean Telkomsel has the widest geographic footprint of coverage in populated areas out of all mobile operators in Indonesia.
Definitions
The Opensignal Coverage Experience metric measures the extent of mobile networks in the places people live, work and travel. The metric represents the experience users receive as they travel around areas where they would reasonably expect to find coverage.
Traditional coverage metrics typically estimate either a percentage of land area covered, or a percentage of population covered; often neither will be an accurate measurement of the true user expectation and experience. In many markets there are areas where neither population density nor geographic area reflect the importance of coverage to users. For example, in a large mountain range most users will not expect coverage in the wilderness, but poor coverage in the relatively small area of a ski resort is critical for the enjoyment of a holiday. Estimates based purely on population give undue significance to coverage in the most densely populated areas.
Coverage Experience measures geographic coverage of populated areas and therefore more accurately reflects the coverage expectations and experience of typical users. It can give a result that is somewhat different to traditional estimates based on either geographic or population measures. The metric uses a scale from 0 to 10.
National Analysis
IM3 triumphs for Availability with a score of 97.8%. This score represents the proportion of time Opensignal users spend with a 5G or 4G or 3G mobile signal on this network — however, Indonesia has already shut down its 3G networks.
Definitions
Our availability metrics are not a measure of a network’s geographical extent. They won’t tell you whether you are likely to get a signal if you plan to visit a remote rural or nearly uninhabited region. Instead, they measure what proportion of time people have a network connection, in the places they most commonly frequent — something often missed by traditional coverage metrics. Looking at when users have a connection rather than where, provides us with a more precise reflection of the true user experience.
We also keep track of the instances that leave mobile users most frustrated: when there is no signal to connect to at all. The most common dead zones users struggle with occur indoors. As most of our availability data is collected indoors (as that’s where users spend most of their time), we’re particularly astute at detecting areas of zero signal.
Our availability metrics take a user-centric, time-based approach that complements the user-centric and geographical-based methodology used by our reach metrics.
Availability shows the proportion of time all Opensignal users on an operator’s network had either a 3G, 4G or 5G connection.
National Analysis
Telkomsel wins 5G Availability for the second time in a row, remaining unbeaten for this award since Opensignal introduced it in the previous Indonesia Mobile Network Experience report. This time, it claims the award with a score of 3.9%, commanding a lead of around three percentage points over its statistically tied competitors — IM3 and XL.
Telkomsel is the most advanced in deploying 5G in Indonesia so far, as it focuses on roll-outs in densely populated areas or in popular tourist destinations. Higher 5G Availability scores in both Jakarta Raya and Lesser Sunda Islands — famous for Bali — drive the overall 5G Availability score for the operator.
Telkomsel's score has increased by two percentage points, while IM3 and XL haven’t seen significant changes in their 5G Availability results. These scores reflect the proportion of time our 5G users spend utilizing 5G services on their devices.
Definitions
Our availability metrics are not a measure of a network’s geographical extent. They won’t tell you whether you are likely to get a signal if you plan to visit a remote rural or nearly uninhabited region. Instead, they measure what proportion of time people have a network connection, in the places they most commonly frequent — something often missed by traditional coverage metrics. Looking at when users have a connection rather than where, provides us with a more precise reflection of the true user experience.
We also keep track of the instances that leave mobile users most frustrated: when there is no signal to connect to at all. The most common dead zones users struggle with occur indoors. As most of our availability data is collected indoors (as that’s where users spend most of their time), we’re particularly astute at detecting areas of zero signal.
Our availability metrics take a user-centric, time-based approach that complements the user-centric and geographical-based methodology used by our reach metrics.
5G Availability shows the proportion of time Opensignal users with a 5G device and a 5G subscription had an active 5G connection.
Regional Analysis
Regional Analysis Summary: Indonesia, Mobile Network Experience Report, June 2025
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A-I
- Banten
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J-R
- Jakarta Raya
- Jawa Barat
- Jawa Tengah
- Jawa Timur
- Kalimantan
- Lesser Sunda Islands
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- Sulawesi
- Sumatra
- Yogyakarta
in Banten
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Consistency
National Analysis
IM3 is the sole winner of Consistent Quality, with a score of 71.8%, beating XL by three percentage points.
This metric measures if the network is sufficient to support common mobile application requirements at a level that is ‘good enough’ for users to maintain (or complete) various typical demanding tasks on their devices. It assesses a number of experience indicators such as download speed, upload speed, latency, jitter, packet loss, and time to first byte.
Definitions
Consistent Quality measures if the network is sufficient to support common mobile application requirements at a level that is ‘good enough’ for users to maintain (or complete) various typical tasks on their devices.
We combine different experience indicators such as download throughput, upload throughput, latency, jitter, packet discard, and time to first byte to calculate Consistent Quality. These components are evaluated against thresholds recommended by various more demanding common applications used for a range of common tasks.
To calculate the metric value, the proportion of tests that pass the requirements of Consistent Quality is multiplied by the test success ratio, which is the proportion of completed tests to all tests conducted. Tests that pass indicate that activities such as video calling, uploading an image to social media, or using smart home applications will be possible without noticeable lag or slowdown.
National Analysis
IM3 takes the top spot for the Reliability Experience award with a score of 878 points on a 100-1000 point scale — and a winning margin of 22 points over XL. The runner-up XL has seen the highest increase in its Reliability Experience score out of all Indonesian operators, of 17 points.
Opensignal’s Reliability Experience measures the ability of our users to connect to and successfully complete basic tasks on operators’ networks. It consists of the following components:
a) Signal Availability — the proportion of time Opensignal users can successfully receive mobile network signal,
b) Data Connectivity — the proportion of time when the network is available and the device can connect to the internet,
c) Task Completion — whether tasks initiated by the user’s device are completed,
d) Sufficiency — the probability that (basic) tasks will be executed sufficiently well for the user.
Definitions
Opensignal’s Reliability Experience measures the ability of Opensignal users to connect to and successfully complete (basic) tasks on communication service providers’ (CSP) networks. It analyzes how much Opensignal users’ experience is affected by the radio access and core network, along with issues that prevent them from connecting to the internet even if they have a connection to their CSP’s network. It also factors in users’ ability to successfully use lower performance applications including SD video, over-the-top voice calls and web browsing.
Regional Analysis
Regional Analysis Summary: Indonesia, Mobile Network Experience Report, June 2025
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- Banten
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- Jakarta Raya
- Jawa Barat
- Jawa Tengah
- Jawa Timur
- Kalimantan
- Lesser Sunda Islands
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- Sulawesi
- Sumatra
- Yogyakarta
in Banten
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in Sulawesi
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Related Analysis
Our Methodology
Collecting billions of individual measurements daily from over 100 million devices globally, Opensignal independently analyzes mobile and broadband user experience on every major network operator around the globe.
About Opensignal
Opensignal is the leading global provider of independent insights into consumers' connectivity experiences and choice of carrier. Our proprietary insights into mobile and broadband networks give operators the solutions they need to profitably compete and win, from executive level scorecards and public validation to pin-point level engineering analytics and consumer decision dynamics.
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Confidence Intervals
For every metric we calculate statistical confidence intervals indicated on our graphs. When confidence intervals overlap, our measured results are too close to declare a winner. In those cases, we show a statistical draw. For this reason, some metrics have multiple operator winners.
In our bar graphs we represent confidence intervals as boundaries on either sides of graph bars.
In our supporting-metric charts we show confidence intervals as +/- numerical values.
Why confidence intervals are vital in analyzing mobile network experience