Make sure to update sa latest iOS.
Insert SIM with GPP chip
Automatic magppop up yung "Enter ICCID" sa mga bagong GPP
Input the 20 DIGIT ICCID CODE
Choose 3G/4G ICCID mode
Accept
Remove sim tray then reinsert.
Connect to WIFI, then activate.
Comment kung hindi na working yung code. Nagbalik na rin ang semi fu. Meaning pwede na alisin ang gpp chip after activation and you may insert and use any sim you want.