apparently not or they wouldn’t have turned you away, unless there is more that you aren’t telling us, otherwise you wouldn’t be here , but rather you would be straightening things out with official
If I understand correctly, your visa isn’t in force until april, yet you wonder why you can’t just do what you want in spite of conforming to the rules?
Passport actually gets stamped anytime when clearing immigration in any city iit often is forgotten by the tired, bored or distracted human behind the glass!
Taxi to Pattaya cost us about $40 Canadian two years ago
Before you leave, get a these apps and register Watsapp ( I’d suggest that you use your regular cell number for Watsapp , to do that you must download and set it up in your area code so you have to be in to do that
Also download “Grab “ for taxi ( it’s like Uber ) and check into eSIM plans on line , so you can just have it when you get there and simply disable your own sim to avoid roaming charges
you don’t need a cell phone plan voice plan in Asia ( or pretty much anywhere in the world except Americas
( ps you cell phone charger can be used it is capable of handling both 110 and 220 volts )absolutely everyone uses Watsapp so you only need a data plan , about $10 or so a month I use Arilo