ipad
sons ipad says " insert a valid sim with no pin lock to activate ipad "?
If its a cellular model, it requires a sim card to activate after being restored.
Read here for steps:
Remove or switch the SIM card in your iPhone or iPad - Apple Support
3 replies
Your SIM card has probably been locked and needs to be unlocked?
Maybe try with another SIM card to activate it first.
this is after I restored it
ipad