I am on RedPocket's "essentials" plan on AT&T, and I have swapped my SIM card twice, involving three different phones, since I activated. If you have a new pho

I am on RedPocket's "essentials" plan on AT&T, and I have swapped my SIM card twice, involving three different phones, since I activated. If you have a new phone in hand, just swap. No need to go to the store.