Question: how to check data balance on dtac?
Answer: Check your remaining balance – Press: *101*9# or *101# Check your add on credit – *101*1*9# Check your Internet credit – *101*4*9# Check your SMS credit – *101*2*9# Check your Happy for free credit – *101*5*9# Find out your phone number – *102*9# Check your Promotion – *103*8*9#