MobiFone - Vietnam

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MobiFone
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Vietnam Flag of Vietnam View country details


MobiFone (Vietnam) uses 2 GSM bands, 1 UMTS band, and 1 LTE band. Find out if your unlocked phone or mobile device will work with MobiFone (Vietnam). See the tables below for details.

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Carrier website: http://www.mobifone.com.vn/

Last updated: 2024/08/05 - See latest updates

MobiFone is the largest state-owned mobile network operator in Vietnam, with a history dating back to 1996. Here are some key points about MobiFone's mobile network:

Coverage

  • Nationwide Coverage: MobiFone provides extensive coverage across all 63 provinces and cities in Vietnam, including major cities and rural areas. The network covers over 90% of the population, with near-complete 4G service in metropolitan areas and 3G signals prevalent in smaller towns and villages. Remote areas may only have intermittent 2G service.

Speed

  • Fast Data Speeds: MobiFone has invested heavily in its 4G LTE network, resulting in generally fast data speeds. In large cities like Ho Chi Minh City and Hanoi, users can enjoy average download speeds of up to 41 Mbps on 4G devices.

Awards and Performance

  • Opensignal Awards: MobiFone won several awards in Opensignal's 2023 Mobile Network Experience Report for Vietnam. These include the top spot for Availability, Voice App Experience, and Consistent Quality. MobiFone also shared the top spot with Vinaphone for Live Video and Games Experience.
  • Video and Gaming Experience: MobiFone users enjoy the best real-time video streaming quality and multiplayer mobile gaming experience in Vietnam, with scores of 64.6-65.1 points for Games Experience and 51.2-53.8 points for Live Video Experience.

Customer Support

  • Customer Support: MobiFone offers 24/7 on-call support in Vietnamese and English, along with support through call centers, social media, app/online chat, and physical stores. Customer care numbers include 19009999 (toll-free) and 19005678.

SIM Card Options

  • SIM Card and eSIM: MobiFone provides various SIM card options for tourists and travelers, including eSIMs, which offer strong nationwide 4G/LTE coverage and high speeds. These options are available for purchase at MobiFone stores and can be activated easily.

Overall, MobiFone offers robust coverage and fast data speeds, making it a reliable choice for mobile network services in Vietnam.

Frequency Bands

GSM

Name Interface Description
900 MHz (E-GSM) GSM

MobiFone Vietnam uses the GSM 900 MHz (E-GSM) frequency band. This band is a subset of the GSM standard used for mobile communications. The GSM 900 MHz (E-GSM) frequency band is primarily used in various parts of the world, including Europe, Asia, Africa, the Middle East, and Australia. It operates within the frequency range of 880 MHz to 960 MHz, with the uplink frequency range from 880 MHz to 915 MHz and the downlink frequency range from 925 MHz to 960 MHz.
1800 MHz (DCS) GSM

MobiFone Vietnam uses the GSM 1800 MHz (DCS) frequency band. This band operates within the 1.8 GHz frequency range and was introduced in 1991 as an extension of the GSM standard. The frequency ranges for GSM 1800 are:

  • Uplink: 1710–1785 MHz
  • Downlink: 1805–1880 MHz

This band offers reduced signal interference and greater channel availability compared to the more crowded 900 MHz and 1800 MHz bands used by GSM. It provides services such as voice communication, text messaging (SMS), and basic data communications.

UMTS

Name Interface Description
B1 (2100 MHz) UMTS

MobiFone Vietnam uses the UMTS B1 (2100 MHz) frequency band. This band is widely used for 3G services and is supported by various networks globally. It operates with a duplex spacing of 190 MHz and channel bandwidths of 5, 10, 15, and 20 MHz.

LTE

Name Interface Description
B3 (1800 MHz +) LTE

MobiFone Vietnam uses the LTE B3 (1800 MHz +) frequency band. The deployment date for this band is not specified.

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