Went to Phuket Immigration today with TM7, photo copies of passport info and original exemption stamp paid 1900 baht got the 30 day extension! In and out 20 minutes easy peasy
TLDR : Answer Summary
A post details the process of obtaining a 30-day extension of stay in Thailand by visiting Phuket Immigration. The user mentions submitting a TM7 form, providing photocopies of their passport information along with their original exemption stamp, and paying a fee of 1900 baht. They completed the process in 20 minutes.