Yes and no is pretty much the answer. VPN is often enough but sometimes they'll recognise the block of IP addresses that are being used and may block them, so really depends on your Vpn provider. Think i got Stan working fine on a VPN but 10 Play i had no joy. If you're not having joy with Vpn then maybe look at getting a smart DNS proxy service instead

Not official until published but as it's been announced from official sources it's highly unlikely not to be the case

@Prieto ***

I flew from Phuket to Chiang Maiast week with Vietair and nobody asked/checked

@Lines ******

there is one other possible option. If you have an iphone 11 or above, they are capable of having an esim (as are several android phones like recent pixel phones). If you have one of those phones but are still using a physical SIM card you can ask your provider to move you onto the esim. That will then free up the physical SIM slot for you to pop in a local card

I second NC Plus. If you're not on Phuket then Superrich is often said to have the best rates

I realise that might not be practical if you're just here on a holiday. If you're quite far into your contract your current provider should unlock for free, allowing you to swap out while you are here. If you're on a new contract they may charge to unlock

You may find it more useful to get yourself a dual SIM phone where you use a local sim for data and calls but can still keep your normal SIM and receive any calls/texts from home. I can highly recommend the Redmi brand as a decent budget smart phone option

Bangkok Bank is , others are 20k

@Stuart *********

when withdrawing from ATM if you don't take the machines conversion you'll get MC/VISA midmarket rate. Your issuing bank may or may not add another fee. It's generally best not to accept conversion at the machine

Think krungsri is 30k