Hi, I will be living in Chiang Mai for a few months and have an iPhone 13 with T-Mobile service that is locked. Can I get a SIM card for a locked phone? I’d rather not buy another phone to use in CMX. Thanks!
TLDR : Answer Summary
The user is inquiring whether they can use a SIM card on their locked iPhone 13 from T-Mobile while living in Chiang Mai. The majority of responses confirm that a locked phone cannot use a different carrier's SIM card. Suggestions include contacting T-Mobile for a travel unlock or seeking local unlocking services in Chiang Mai, though this may void warranties. Various commenters shared their personal experiences with the unlocking process and offered locations for assistance.