No, EastESIM ensures that popular VOIP apps like WhatsApp, LINE, and Zalo (very popular locally) work perfectly in Vietnam without any blocking or throttling. Vietnam has a generally open internet environment, and these apps are widely used for communication, even by many local businesses and tour operators in cities like Hanoi or Da Nang. Having reliable data from EastESIM means you can make clear calls and send messages seamlessly, keeping you connected throughout your Vietnamese adventure.
HELP CENTER
Are VOIP apps like WhatsApp or LINE blocked or throttled in Vietnam?
Updated April 22, 2026
Was this answer helpful?
Related questions
Other answers in this topic that travelers found useful.
Even with free public transport in Luxembourg, do I still need data for the Mobiliteit.lu app with eSIM Scout?
Affirmative. While public transportation across Luxembourg is free, you still require an active mobile data connection to utilize the Mobili…
Read answerWhat exactly is an eSIM and how does it function for travelers?
An eSIM, or 'embedded Subscriber Identity Module,' is a digital SIM card built directly into your device's hardware. Unlike traditional phys…
Read answerWhich specific mobile devices are compatible with eSIM Scout?
eSIM Scout is designed to work with a wide range of modern smartphones and tablets. Generally, devices released in the last few years by maj…
Read answerCan I use Uber or other ride-hailing applications in Monrovia, Liberia, with eSIM Scout?
Negative on Uber ; it does not operate in Liberia . However, eSIM Scout provides the reliable data necessary to utilize local alternatives l…
Read answerWhat is the activation process for my eSIM Scout plan post-purchase?
Activating your eSIM Scout plan is a straightforward two-step operation. First, installation : upon purchase, you'll receive a QR code via e…
Read answer