This guide walks you through activating an eSIM and SIM card through AT&T. You can follow this guide whether you have an AT&T prepaid or postpaid plan from the carrier or a prepaid card from another ...

[Jason Gin] wanted to reuse the SIM card that came with a ZTE WF721 wireless ... Could [Jason] have just run out to the store and picked up a prepaid SIM instead of cracking open this wireless ...