2. The accommodation needs to fill out the TM 30 (Report Residence) Form within 24 hours .
3. Pick Up a SIM Card at 7 Eleven or any Phone Shops.
4. The next day, you need to open a Thai Bank Account to deposit your VISA funds. (In 2026 this is almost impossible as banks will not open new accounts on tourist visas, 90 Day Non O Visas or DTV Visas). It is quite possible you will have to pay a VISA agent to open an account for you.
5. At the 90 days in Thailand point, you must fill out the TM-47 (90 day Reporting Form) in person at Immigration the first time. (Subsequent 90 day reports can be done online). Your long term VISA should be approved.