How to configure smart phone for 3G in Vietnam?

Depending on your service provider, there are different ways to adjust the Network Settings to use mobile data (4G/5G) on smartphones in Vietnam.

VinaPhone:

APN: m3-world
Username for APN: mms
Password for APN: mms

Mobifone:

APN: m-wap
Username for APN: mms
Password for APN: mms

Viettel:

APN: v-internet
Username for APN: (blank)
Password for APN: (blank)

Beeline & Vietnamobile:

APN: internet
Username for APN: (blank)
Password for APN: (blank)

Please ensure that your device is compatible with 4G or 5G networks, as 3G services may be phased out by some providers in favor of faster technologies. For the most current settings and information, you may want to directly visit the website or contact customer service of your mobile provider.