TrueMove H อินเทอร์เน็ต การตั้งค่า APN สำหรับ Apple iPhone 6

Check that Cellular Data is turned on.
Tap Cellular Data Network. 
(If this setting does not appear on the device, it has not unlocked and settings cannot be manipulated manually.)

Go to Cellular Data section and enter below information

APN: internet
Username: true
Password: true

Go to LTE Setup (Optional) section and enter below information

APN: (Leave Blank)
Username: (Leave Blank)
Password: (Leave Blank)