Does Switching Phones Screw Up Your Watch

Discussion in 'Apple Watch' started by Mac'nCheese, Dec 3, 2018.

  1. Mac'nCheese Suspended


    Feb 9, 2010
    If I get an LTE watch and pair it to my iphone Xs but then take an old iphone 5 and swap in my sim card from the Xs, will I still have wireless service and all that on my watch?
  2. muasachi macrumors member


    Jul 29, 2013
    I think it won't work.
    It may will force you to reactivate the cellular on watch app on iPhone Xs if it detects that the sim card is no longer with that phone
  3. macrumors 604

    May 26, 2016
    Good question, no idea what will happen though. It depends on your carrier to some extent. I think it should work. Let’s us know.
  4. Donnation macrumors demi-god


    Nov 2, 2014
    It won't screw up your watch but you want have service on it nor will it get any notifications. The cellular works as a handoff from the phone its paired to. If its not paired to an active phone the cellular won't work and neither will any of the notifications.
  5. Mac'nCheese thread starter Suspended


    Feb 9, 2010
    So does my iphone have to be on for the handoff to work. What if I leave it at home and the battery dies, does my watch service stop?
  6. Cordorb macrumors regular

    May 8, 2010
    The watch has its own cell number but how long they can be out of touch if the phone is OFF ( slide to power off ) off
    may be a question for who does your cell service

    For Sprint my watch is an add on to contract

    Some of my watch app will not work if no phone and others after updates want me to use the app on the phone first

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5 December 3, 2018