MobiFone network coverage across Vietnam as of 2026

MobiFone Review: Coverage & Performance In Vietnam 2026

Vietnam Mobile Telecom Services Company (MobiFone) serves approximately 18 million subscribers across Vietnam with nationwide 4G coverage and active 5G deployment in more than 20 cities, holding roughly 15% of the domestic mobile market as of 2025. MobiFone ranks first in mobile video experience and 5G gaming experience in Vietnam, according to the Ookla Speedtest Intelligence Report H1 2025. This review covers network coverage, speed test data, customer service, value-added features, and a side-by-side competitor comparison.

Introduction

Vietnam Mobile Telecom Services Company — trading as MobiFone — operates as Vietnam's third-largest mobile network operator, established in 1993, serving approximately 18 million subscribers and holding around 15% of the country's mobile market share as of 2025, according to market analysis published by Mordor Intelligence January 2026.

MobiFone delivers competitive 4G performance and emerging 5G connectivity, making it a strong choice for urban users who prioritize video streaming and mobile gaming quality. The operator achieved Vietnam's best mobile video experience score (74.46 points) and best 5G gaming experience award in H1 2025, according to the Ookla Speedtest Intelligence Report published October 2025. MobiFone's 5G average download speed reaches 306.5 Mbps, placing it third behind VinaPhone (594.16 Mbps) and Viettel (421.61 Mbps) nationally.

This review examines MobiFone's 4G and 5G network coverage across Vietnam's 34 provinces, speed test benchmarks in Hanoi, Ho Chi Minh City, and Da Nang, customer service channels, eSIM availability, international roaming, and a three-carrier competitive comparison. You will also find a structured FAQ section optimised for Google AI Overview eligibility.

Compare Vietnam's largest mobile operator Viettel and VNPT VinaPhone for additional mobile carrier options in Vietnam.

Network Coverage And Performance

MobiFone covers over 96% of Vietnam's villages with 4G service and has deployed 5G in more than 20 cities and provinces as of early 2026. The operator operates approximately 3,000 staff and more than 33,000 base transceiver stations nationwide, according to MobiFone corporate data published 2025. Rural 4G penetration across Vietnam reached 96% of villages by late 2025, according to Mordor Intelligence Vietnam Telecom MNO Market Report published January 2026.

MobiFone's network spans all 34 provinces, with strongest performance concentrated in Hanoi, Ho Chi Minh City, and Da Nang — the three urban hubs that generate 45% of Vietnam's total mobile revenue, according to Mordor Intelligence January 2026. The operator also shares 4,000–5,000 4G base stations with VNPT under a network-sharing (MORAN) agreement, expanding effective coverage beyond its own infrastructure, according to MobiFone technical deployment data published February 2025.

4G And 5G Availability

MobiFone's 4G LTE network covers the full extent of Vietnam's 34 provinces, with the operator sharing infrastructure with VNPT to reinforce rural reach. 5G service launched commercially at the end of 2024, with early 2025 deployment covering key northern cities including Hanoi and Hai Phong, central cities including Da Nang and Hue, and southern hubs including Ho Chi Minh City, according to MobiFone 5G deployment data published May 2025.

MobiFone targets deployment of 10,000 new 5G base stations during 2026, expanding coverage to industrial zones and smart-city applications such as delivery drones and autonomous vehicles in partnership with the Hanoi Police authority, according to vietnam.vn published December 2025. Vietnam's total 5G population coverage reached 26% by mid-2025 across all operators, according to Mordor Intelligence Vietnam Telecom MNO Market Report January 2026.

The current 5G coverage footprint includes provinces in three geographic regions: northern Vietnam (Hanoi, Hai Phong, and Thanh Hoa), central Vietnam (Nghe An, Hue, Da Nang, Quang Ngai, Phu Yen, Kon Tum, Gia Lai, and Dak Lak), and southern Vietnam (Ho Chi Minh City and surrounding industrial zones), according to MobiFone 5G coverage data published May 2025.

Speed Test Results

MobiFone delivers an average 5G download speed of 306.5 Mbps across its 5G-covered urban areas, according to the Ookla Speedtest Intelligence Report published October 2025. On the overall mobile network (4G and 5G combined), Vietnam's national average download speed reached 75.19 Mbps in Q2 2025, according to i-Speed data from Vietnam Internet Network Information Center published August 2025.

Learn more about 5G network performance in Vietnam for detailed technical comparisons across all three national operators.

Customer Service And Support

MobiFone operates five customer service channels with 24/7 hotline availability and a physical retail network spanning all 34 provinces. The operator's Ministry of Public Security oversight since February 2025 reinforces its accountability to national service standards, according to The Investor published February 2025.

• Phone Support — Domestic: 9090 (MobiFone subscribers, free) or 18001090 (free, all networks) — available 24 hours a day, 7 days a week

• Regional Hotlines: Northern region: +84 904 144 144; Central region: +84 905 144 144; Southern region: +84 908 144 144 — available 07:30–17:30 (ICT, UTC+7)

• Physical Stores: Hundreds of transaction centres and authorised dealers across all 34 provinces, including major locations in Hanoi, Ho Chi Minh City, and Da Nang, operating 07:30–17:30 Monday through Saturday

• Mobile App Support: In-app chat and self-service via My MobiFone application, available on iOS and Android, supporting ticket submission and real-time query resolution

• Online Portal: Support section at mobifone.vn customer support providing account management, coverage checks, and plan changes

MobiFone customer service contact channels and operating hours

Compare customer service options in our comprehensive Vietnam carrier support comparison guide.

Additional Services And Features

MobiFone provides these value-added services for subscribers:

• International Roaming: MobiFone's 2025 roaming packages cover destinations across Asia, Europe, and the Americas, offering flexible daily and bundle data options for international travellers — described as a "digital passport" for seamless global connectivity, according to MobiFone roaming guide published October 2025.

• My MobiFone App Features: The My MobiFone application provides data usage tracking, bill payment, service plan management, eSIM activation, international roaming package purchase, customer support chat, and store locator — available on iOS and Android.

• eSIM Support: MobiFone's eSIM service supports remote SIM activation, plan changes, and device switching directly through the My MobiFone app without a store visit. Compatible devices include iPhone models, Samsung Galaxy, Xiaomi, and Oppo smartphones that support dual-SIM eSIM operation, according to MobiFone eSIM announcement published December 2025. eSIM supports both 4G and 5G connectivity in covered areas.

• 5G Enterprise Solutions: MobiFone's 5G platform supports virtual reality communications, IoT connectivity, and big data platforms for enterprise clients, with active smart-city pilots in Hanoi covering traffic management, drone logistics, and environmental monitoring, according to MobiFone 5G deployment plans published December 2025.

• Network Sharing Infrastructure: MobiFone's MORAN agreement with VNPT provides subscribers access to 4,000–5,000 shared base stations, extending effective rural coverage beyond MobiFone's own 33,000-station network footprint, according to MobiFone technical data published February 2025.

Discover more about eSIM technology and activation in Vietnam for step-by-step setup instructions on compatible devices.

MobiFone Pros And Cons

MobiFone key advantages and disadvantages for 2026

Advantages

• Best Mobile Video Experience In Vietnam: MobiFone scored 74.46 points in the mobile video experience category — the highest among Vietnam's four national operators (VinaPhone: 72.93, Viettel: 72.33, Vietnamobile: 68.29) — according to the Ookla Speedtest Intelligence Report H1 2025 published October 2025.

• Best 5G Gaming Experience Nationally: MobiFone holds the top-rated award for 5G gaming experience among all Vietnamese carriers in H1 2025, according to the Ookla Speedtest Intelligence Report published October 2025.

• Nationwide 4G Coverage Including Rural Areas: 4G coverage extends to over 96% of Vietnam's villages, supported by 33,000+ own base stations and 4,000–5,000 shared stations with VNPT, covering all 34 provinces, according to MobiFone network data February 2025.

• Full eSIM Activation Via App: eSIM activation, plan switching, and international roaming setup complete entirely through the My MobiFone app without requiring a physical store visit, compatible with iPhone, Samsung Galaxy, Xiaomi, and Oppo devices, according to MobiFone eSIM announcement December 2025.

Disadvantages

• Slower 5G Download Speed Than Top Competitors: MobiFone's average 5G download speed of 306.5 Mbps trails VinaPhone (594.16 Mbps) and Viettel (421.61 Mbps) nationally, placing it third among Vietnam's 5G operators, according to Ookla Speedtest Intelligence Report October 2025.

• Third-Place Market Share: MobiFone holds approximately 15% of Vietnam's mobile market, significantly behind Viettel (approximately 56%) and VNPT VinaPhone (approximately 30%), limiting economies of scale for infrastructure investment, according to Mordor Intelligence Vietnam Telecom Report January 2026.

• 5G Coverage Still Concentrated In Urban Centres: As of early 2026, MobiFone's 5G service focuses on industrial zones and city districts — Hanoi, Ho Chi Minh City, and Da Nang — with nationwide rural 5G coverage still dependent on the ongoing 10,000-station expansion programme, according to MIC Vietnam published March 2025.

MobiFone Vs Competitors

Vietnam's mobile market is dominated by three state-affiliated operators — Viettel, VNPT VinaPhone, and MobiFone — which collectively hold over 80% of total subscribers, according to Market Report Analytics Vietnam Telecom Market 2025 published January 2026. MobiFone differentiates through superior consumer multimedia experience (video and gaming), while Viettel leads in raw coverage and subscriber scale, and VinaPhone leads in peak 5G download speed.

MobiFone suits subscribers who prioritise mobile video quality and 5G gaming in urban environments. Viettel serves users who need the widest geographic reach, including rural and mountainous provinces. VinaPhone delivers the fastest 5G peak speeds for power users with compatible 5G devices.

Read the detailed MobiFone vs Viettel comparison or explore the VinaPhone full review for alternative options in Vietnam's mobile market.

Frequently Asked Questions About MobiFone

Does MobiFone Have 5G Coverage In Vietnam?

MobiFone provides 5G coverage in more than 20 cities and provinces across Vietnam, launched commercially at the end of 2024. Active 5G zones include Hanoi, Ho Chi Minh City, Da Nang, Hai Phong, Hue, and multiple Central Highlands provinces. The operator targets 10,000 additional 5G base stations in 2026, with focus on industrial zones and smart-city districts, according to MIC Vietnam published March 2025.

How Fast Is MobiFone's Mobile Internet Speed?

MobiFone's average 5G download speed reaches 306.5 Mbps, and its 4G average aligns with Vietnam's national mobile average of 75.19 Mbps in Q2 2025. MobiFone ranks third nationally for 5G download speed behind VinaPhone (594.16 Mbps) and Viettel (421.61 Mbps), according to the Ookla Speedtest Intelligence Report published October 2025. For 4G video streaming and gaming, MobiFone earns the top nationwide score (74.46 points in mobile video experience) in the same report.

What Areas Does MobiFone Cover In Vietnam?

MobiFone's 4G network covers all 34 provinces in Vietnam, reaching over 96% of the country's villages. Urban areas — Hanoi, Ho Chi Minh City, and Da Nang — receive the densest signal concentration. Rural and mountainous coverage is reinforced by 4,000–5,000 base stations shared with VNPT under a network-sharing agreement, according to MobiFone technical data published February 2025.

How Do I Contact MobiFone Customer Service?

MobiFone customer service is reachable 24/7 by dialling 9090 (for MobiFone SIM users, free) or 18001090 (free from any network). Regional hotlines include +84 904 144 144 for northern Vietnam, +84 905 144 144 for central Vietnam, and +84 908 144 144 for southern Vietnam. In-app support is available through the My MobiFone application, and physical stores operate 07:30–17:30 across all 34 provinces, according to MobiFone official support page 2025.

Does MobiFone Support eSIM?

MobiFone supports eSIM activation, plan changes, and device switching entirely through the My MobiFone app, with no store visit required. Compatible devices include iPhone models, Samsung Galaxy series, Xiaomi, and Oppo smartphones that support eSIM dual-SIM operation. MobiFone eSIM supports 4G and 5G connectivity in covered areas, according to MobiFone eSIM announcement published December 2025.

What Countries Does MobiFone Roaming Cover?

MobiFone's 2025 international roaming packages cover destinations across Asia, Europe, and the Americas, with flexible daily and bundle data options. Roaming packages are purchasable directly through the My MobiFone app or at any MobiFone store before departure. eSIM users activate international roaming remotely without physical SIM replacement, according to MobiFone roaming guide published October 2025.

How Does MobiFone Compare To Viettel?

MobiFone leads Viettel in mobile video experience (74.46 vs 72.33 points) and 5G gaming quality, while Viettel leads in subscriber count (~66M vs ~18M), market share (~56% vs ~15%), and 5G download speed (421.61 Mbps vs 306.5 Mbps). Viettel also achieves broader 5G geographic reach covering all 34 provinces, compared to MobiFone's current urban-focused 5G footprint of 20+ cities. Both operators support eSIM and nationwide 4G, according to Ookla and Mordor Intelligence data from October 2025 and January 2026, respectively.

What Is The Best MobiFone Feature?

MobiFone's best feature is its number-one ranked mobile video experience in Vietnam, scoring 74.46 points — the highest among all four national operators. The operator also holds the top position for 5G gaming experience in H1 2025. Combined with full-app eSIM management and nationwide 4G reach across 34 provinces, these qualities position MobiFone as the preferred carrier for multimedia-focused urban subscribers, according to Ookla Speedtest Intelligence Report published October 2025.

Conclusion

MobiFone delivers Vietnam's best mobile video and 5G gaming experience with nationwide 4G coverage across all 34 provinces and growing 5G infrastructure — the right choice for urban multimedia users seeking quality over raw speed.

Explore more mobile carrier options through our complete Vietnam carrier directory or learn how to choose the right carrier for your needs in Vietnam.

Last Updated: March 12, 2026

Sources:

1. Ookla Speedtest Intelligence, Vietnam Mobile Network Report H1 2025, October 2025

2. Mordor Intelligence, Vietnam Telecom MNO Market Size and Share Report, January 2026

3. Ministry of Information and Communications Vietnam (MIC), 5G Expansion MobiFone Report, March 2025

4. MobiFone Official Website — mobifone.vn

5. Bao Moi, i-Speed VNNIC Vietnam Mobile Internet Speed Rankings Q2 2025, August 2025

Related Articles:

• Best Mobile Carriers In Vietnam 2026

• MobiFone Vs Viettel Detailed Comparison

• Vietnam 5G Coverage Map And Availability Guide

• How To Choose The Right Mobile Carrier In Vietnam

• eSIM Activation Guide For Vietnam Carriers