I just had my iPhone6+ unlocked by tmobile, followed their instructions to insert a non-mobile SIM card into the phone, connected to iTunes, got prompted for activation, and got the "congratulations/unlocked" message. 
Problem is that now, after putting my tmobile SIM back in, it's stuck on "searching...".
I've tried rebooting, resetting network settings, resetting the SIM card, no luck with any of these. Does anyone have other possible solutions before I have to resort to a restore?
EDIT: Fixed by putting another carrier's active SIM in the phone, removing, inserting my tmobile SIM, then rebooting.
Problem is that now, after putting my tmobile SIM back in, it's stuck on "searching...".
I've tried rebooting, resetting network settings, resetting the SIM card, no luck with any of these. Does anyone have other possible solutions before I have to resort to a restore?
EDIT: Fixed by putting another carrier's active SIM in the phone, removing, inserting my tmobile SIM, then rebooting.
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