I’m going to Vietnam for 3 weeks should I buy this T-Mobile international plan for $50 or is it cheaper to get a ESIM at the airport when I arrive over there? I don’t need phone calls or texts I just need data

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Always better to purchase a SIM locally. Does your T-Mobile plan not include international data? I get 5gb high-speed and unlimited basic data when traveling abroad, including VN
To be honest, T-Mobile not good in Vietnam like they said. And the eSIM in the airport are expensive than others outside even though it the same company. If you need internet to get a grab go for the eSIM in the airport but only one is enough. Your friend or fam can get it outside at MobiFone or Viettel or VinaPhone with a passport for about $10 for 8GB a day.
It’ll cost you about 10 bucks for an eSIM
We are here in Vietnam now for 3 weeks the guard from our hotel sold us 350kvnd for unlimited sim for a month.in the airport it is 440k to 500k
My T-Mobile plan includes international data and texting. Check what is included in yours first. That said, I live in Thailand and it is great here. It was terrible in Saigon, so I bought an eSIM for my time there after 2 days of painfully slow internet.
Please dont ever buy Sim card at airport, it’s scam & ripped off. You will find out later but cant go back in to ask for money back
Look at the app Airalo. We bought it before we came out and we have found it brilliant.
T-Mobile good to use in Vietnam, don’t have to buy $50 plan unless you want to make phone call during the trip
E sim airolo, don’t need to buy/wait in AirPort. Few days before install, when arive airport =activate. Take viettel operator (think is best coverage)
You have many options.