New Owner prep of SIM card
I completed the "Erase All Content and Settings" task. Does this fully erase the SIM card to the point that it is safe to leave in for the new owner?
Apple Watch
Question marked as
That doesn't erase anything on the SIM as the iPhone doesn't store anything to the SIM.
Follow this: What to do before you sell, give away, or trade in your iPhone, iPad, or iPod touch - Apple Support