dtac Happy infinite SIM 8 days
8-day Unlimited Internet & Call
Unlimited 5G internet at Max speed
Unlimited call to all network in Thailand
Unlimited dtac WiFi
Free 100-baht calling credit
Free 15-baht credit
Special rate for international call via 00400
查流量/Dial for data usage：1011*9#
查號碼/Dial for phone No.：1029#
查餘額/Dial for balance：1019#
