What is the best mobile data SIM card for expats in Thailand with an LTR visa?

Depending on your package. I have Dtac 30mbps unlimited bought from shopee 1.3k baht running as home wifi, speed test average 20mbps which sufficient enough.

While my mobile using postpaid Ais iphone 1099b unlimited 5G monthly, i download a lot / game on my pc(tethering). Prior to that on fixxy 3xxbaht 25mbps unlimited postpaid, no issue

I have AIS prepaid unlimited data (฿1200/year) on my old phone Speedtest 10 down/20 up (not sure if throttled because I’m a dirty Farang but only 1 bar reception), 60 down, 6 up on True 5g postpaid. Also 1 bar reception

I had true move 300baht per month, unlimited

You’re buying a card with a plan already activated on it and you’re preparing for it.

Those plans are usually awful.

Just get a regular SIM card with no prepaid plan, find the plan you want, add that amount to it at the AIS booth or a mini mart and buy it.

Install the AIS mobile app to make the process easier.

They still have the most convoluted list of plans of any carrier but at least with the app they’re easier to search through and select.

The SIM has nothing to do with what plan you choose or whether or not it’s 4G or 5G.

The SIM just identifies your device on their network.

It’s all about the plan you choose.

So don’t buy the ones with the plan prepaid on them already. They’re a rip off.

You don’t need a post paid contract to get faster speeds, that’s also nonsense.

They want to see a work permit for post paid because they’re letting you pay after you’ve used the service and they know if they let everyone do that, tourists would just sign up for a bunch of things, run up a bill then leave the country without paying.

At least if you work here you’re less of a risk of skipping out on payment.

Paranoia is real...

After 7 years in Thailand, I still cannot make any sense from the various plans and deals available... Never mind their apps such as AIS.

I just want pre paid, unlimited, full speed. Just tell me the goddamned price and I'll pay it...

Don’t forget you hv to hv a 5G capable mobile and be in the area of a 5G tower signal - I use a True mobile sim for last 5 years - currently 70GB per month allowance - free true to true calls for approx 1200baht per year - using mobile as a hotspot will use more data than direct and the hotspot mobile device will get very hot - downside need to change mobile number every year - to get round that my original tourist number is kept alive and forwards calls / messages to current number - saves changing with bank etc

mainly use line / messenger for calls

AIS is fine, i have a post paid business plan with them and my family have prepaid "tourist" sims, both have very fast speeds on 4 and 5g. I have a teenager so i would know all about it if it was slow

Rubbish! Complain to them !!

Every provider worldwide throttles after a certain amount of data usage ( they say unlimited data, but it becomes barely usable after X GB. The attached screenshot is with dtac in Bangkok. Slower than in Europe, but still good enough for me. They asked me for a work permit, too. I offered to pay by automatic card payment which they accepted. Guess they just want proof that you have a regular income to pay your bills. Otherwise you’ll be stuck on prepaid. I didn’t like prepaid especially when i ran out of data when trying to check into places with that thaichana covid app. Allowing me to check in and "protect people by allowing me easy contact tracing showed them my good intentions 555

I have an s21 ultra I've never had that issue. I've always been on the travel sim card. Almost always have pretty fast does

I have had zero issues my last 3 or 4 trips using AIS. I bought the unlimited fasted plan for 30 days. Wicked fast, not throttled and unlimited data. Voice/video calls no problems.

I had a plan. No work. But long term visa and 1 yr lease and, bank account

What a nonsense.

You got punked

Here is the yearly plan that AIS doesn't really acknowledge for foreigners.

We are on our second year and it's great, can't beat 1790b for an entire year!

100g highspeed per mth

*unlimited at the throttled dpeed*

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Have True on post paid and get close to a gigabit on iPhone in most places in Phuket.

I would look into an esim from DTAC

You don't need a workpermit for a post paid plan. Whoever told you that is a moron. Also they don't throttle speeds for foreigners, they do for pre-paid plans. And every Thai person I know is on a prepaid plan because it doesn't require a commitment.

You're probably on a tourist sim though. You need to go to an AIS shop and get an actual plan, that gives you fixed data speeds. I have mbps up and down for 200 baht a month.

You definitely don't need a work permit for a post-paid plan. I got one when I was on a tourist visa before I even got my ED visa.

Just go into an AIS store in a big mall (I did mine at Emquartier) and tell them you want a post-paid long-term plan. They should have lots of promotional rates and posters around and stuff with various options to choose from.