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See what travelers are saying about their Vietnam eSIM experience. Real feedback from real users to help you pick the best plan for your trip.

“connection was super easy. the site was really easy to buy off of. My family only use this from now on”

“Recommended, worked well.
Support is crazy🙏🏼”

“not good.. in hanoi, showed lte in beginning then just went to 3g. spies were only 3g even when showing lte. thank god it was only $5, but still bad esim provider.”

“Good ”

“Terrible experience. No connection most of the time, or extremely slow connection. No 5G at all.”

“Never got 5g connection. Connection was often lost in Hanoi and switched from LTE to 3G. Contacting customer service was not helpful as they will greet you but will not respond otherwise.”

“What was promised was delivered. Great service.”

“I was looking for a 5GB x 15 days Viettel SIM and most websites said this package was "soldout". ChillaxSIM had it in stock but the site looked kind of sketchy. The price was low enough to give it a try and it worked great! I added the eSIM from the QR code when I was still in the states with WiFi. While it appeared on my service list it wouldn't activate. As soon as I landed in Vietnam, activation completed and the service worked perfectly (no WiFi needed). I had service in all areas we visited, even rather remote. Compared to some of my travel partners who paid per day as much as my 15 day package was, I highly recommend!”

“⭐️⭐️⭐️⭐️⭐️
Absolutely fantastic experience. My Vietnam eSIM activated the moment I landed, and the data was fast and reliable everywhere I went. Setup was effortless, and I stayed connected without a single hiccup. Perfect for hassle-free travel—highly recommended.”

“Bought their Vietnam eSIM with Viettel number. Was extremely good. I believe it's exactly the same as prepaid Viettel SIM product available to tourists at the airport, just in eSIM form. Excellent Ping (below 50ms), fast speeds. Solid choice.”

“At first there were problems with activation, it took several hours.
I used eSIM for 2 weeks. Internet works only in the center of large cities, on the outskirts and in small towns the connection completely disappears, or is very, very slow. Support does not respond.”

“WARNING! This eSim Provider will throttle your data! Bought 100GB/20Days and got throttled after 9-10GB. Support not answering, terrible experience overall.”

“esim not working, run away it’s scam.”

“Super easy to purchase and activate eSim. Works great. Very affordable.”

“Does not work on my unlocked Pixel phone. Support couldn't give me any answer. Ended up buying from Bytesim and that worked instantly.”

“technically functional but extremely slow speed”

“I received a Viettel esim and it worked without any problems throughout Vietnam.”

“Had to wait more than 30min to get the QR code after purchase, so it’s not instant delivery and it might be troublesome for people in a hurry to get online.
It took a while to get connected to Viettel network first. The speed was okay but the latency is crazy high, given the IP address is from Singapore. I had to manually change the network to MobiPhone to get better connection. Definitely not beginner-friendly.
It’s one of the cheap options but not sure if it’s worth a try. I wouldn’t choose this provider next time.”

“Extremely bad experience - eSIM not working, support not answering”

“Update from previous rating...
Customer support slowly but finally responded: full refund as store credit - valid for one year. Thus, not feeling so bad with the purchase.”

“Bad! Bad! Bad!
1. At the capital, on street open sky, connection down speed is in single digit Mbs, upload in hundreds kbs.
2. Going out on highway and attraction areas: just like 2G - if there is connection.
3. Sending emails to support, for 2 full days: no response.
4. Bought a 20Gb/60 days eSim: asked for partial refund of remaining dara: silent so far.
Don't be fool, like me, for the low price.
Actually i bought a package at a local viettel store: better connection and cheaper for 60 days.
”

“In Hanoi and Da Nang city areas, the connection was slow and occasionally cut off, but I managed to use it somehow. However, around the Naman Retreat Hotel, it was almost unusable. In the end, I had to ask the hotel staff to guide me to a store where I could buy a local SIM card for travelers.
I purchased 10GB for 7 days, but I didn't even use 1GB.”

“Although the eSIM I purchased from ETravelSim was cheap, it was provided by Vietnamobile, and the speed was slow and the coverage wasn't very good either (especially in Nha Trang). I also didn't know how to check the remaining data because it was not clear in the instruction provided.
It might be okay if you are staying in HCMC or Hanoi, but not ideal if you are traveling other smaller cities.
The eSIM I got from GIGAGO, which connects to Vinaphone, was much better.”

“Bought an eSIM with 10GB of data from GIGAGO but it's actually provided by iTel, a Vinaphone MVNO in Vietnam. It's a local connectivity, not a typical roaming eSIM, and both the speed and latency are quite good. Although setting up the APN for personal hotspot was a bit of a hassle, overall, I am very satisfied and can recommend it.”

“Ubigi's eSIM plans for Vietnam really falls short for several reasons.
1. The connection keeps on dropping randomly. This is unacceptable when you need to call your family using WhatsApp, Viber, or Zalo, and you suddenly disconnect.
2. I was assigned a mainland Chinese IP address with a Singaporean DNS. This is also unacceptable due to privacy concerns and certain sites blacklisting my eSIM.
Eventually, I switched over to a Viettel eSIM from MobiMatter, and it worked flawlessly for the rest of my family trip to Vietnam. Would not recommend Ubigi for Vietnam.”

“The internet was terrible. To make it work, I had to turn on and off flight mode. Then it would work for 2 minutes and stop working. I had to do this right now while writing this review. Would never purchase again. I am using an iPhone 12 and I never had any issues with eSIMs before.”
Everything you need to know about using eSIMs in Vietnam
There are over 160 travel eSIM providers and more than 9, 600 prepaid data plans available in Vietnam. With such a wide variety of options, travelers can easily find an eSIM that matches their needs.
Several eSIM providers offer unlimited data plans for Vietnam. These plans are available for validity periods ranging from one day to up to thirty days, and all allow tethering, though many note that speed may be throttled under heavy usage. One provider, Earth Esim, specifically limits the speed to 5 Mbps. The overall price range for these unlimited options spans from about $2.56 USD to $61.89 USD, with the most economical plans typically around $2.50–$3.50 USD for a short‑term 1‑30‑day validity, and the most expensive options approaching $60 USD for a 30‑day period. Travelers can compare these offers to match their usage needs and budget.
Vietnam's mobile network infrastructure is primarily supported by the following major Mobile Network Operators (MNOs):
Viettel: The largest telecommunications provider in Vietnam, offering extensive nationwide coverage.
MobiFone: A major state-owned enterprise providing mobile services across the country.
VinaPhone: A core subsidiary of the state-owned Vietnam Posts and Telecommunications Group, offering comprehensive mobile services.
Vietnamobile: A private mobile network operator, recognized as the fourth largest provider in Vietnam.
In addition to these MNOs, Vietnam has several Mobile Virtual Network Operators (MVNOs) that offer mobile services by leasing access from major carriers. Notable MVNOs include iTel, Wintel, myLocal, VNSKY, and FPT SIM. It's important to note that most travel eSIMs rely on the infrastructure of MNOs rather than MVNOs.
Travel eSIMs that provide an active phone number in Vietnam are available from MicroEsim, ChillaxSIM, TravelKon and Airhub. These plans give you a local Vietnamese number (dialing code +84) that can receive calls and inbound SMS. If you need to send SMS messages as well, you will need a plan that offers outbound SMS; the only options that include outbound SMS are foreign‑number plans from providers such as ESIM.DOG, Roamify, JamboSim and Orange Travel. These foreign plans use a non‑Vietnamese dialing code (for example +1) but still work for calls, SMS and data in Vietnam.
Prices for these travel eSIMs start around $3.95 for a 5‑day data bundle and can go beyond $100 for long‑term plans such as 30‑day or 60‑day packages, while validity periods range from one to three months. This means you can choose a local Vietnamese number if you only need inbound communication, or opt for a foreign number with full outbound SMS capability if outbound messaging is required.
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