Below APN settings should be manually configured in your device to access internet with AIS in Thailand.
AIS MMS (MMS)
We have 4 manual configuration APN settings for AIS above. Try one by one until you get your internet working in your device.
This includes 1 picture messaging APN configuration for AIS as well.
Possible MCC-MNC values for AIS APNs
Dial-up numbers for AIS
APN settings for other networks in Thailand