New phone cellular activation
Unable to turn ON cellular service to iphone SE due to old phone (iphone 7) IOS version below level 16...
Iphone 7 cannot be updated beyone version 15.7
Next steps??
iPhone SE (3rd generation)
Activating a new phone has nothing to do with an old phone or the version of iOS on the old phone. To turn on cellular service you must contact your cellular carrier.