I am in the process of upgrading my cell phone from an iPhone 5se to and iPhone 11. It seems that technology has advanced significantly since my last upgrade. Many newer phones are employing an electronic eSim instead of the older Sim card. I'm worried about this because if I accept the newer eSim, they'll prolly deactivate my old sim rendering it useless if I need to revert to my older phone as my "back up."

At this point, I'm not going to use the eSim because it's not required. I can…

eSim