Apple Watch and switching sim cards

Discussion in 'Apple Watch' started by hokiemas, Jul 6, 2015.

  1. hokiemas macrumors member

    May 26, 2015
    I've got an iPhone and Apple Watch waiting for me back home (I'm currently out of the U.S.). When I pair the watch to the phone, will anything get messed up if I switch my phone's sim card? I normally switch out the U.S. sim when I travel to Mexico and put a Mexican sim in. I guess my question is, and excuse my ignorance, does the Watch connect via bluetooth only ala Pebble meaning it wouldn't matter if my phone number changes (watch will send notifications from whatever number sim is installed in the phone since it is getting everything via bluetooth) or is the Watch somehow linked to my phone number?

    I'm guessing switching between two sims wouldn't be an issue since the bluetooth pairing will work regardless of what sim is installed, but I wanted to check to see if there was any issue and if there was, how to best remedy it.

    Thanks in advance.
  2. KPOM macrumors G5

    Oct 23, 2010
    The SIM card doesn't matter. The Watch just connects through Bluetooth, and wi-fi.
  3. hokiemas thread starter macrumors member

    May 26, 2015
    That's what I figured. Thanks for the info.
  4. RedSpeedRacerXX macrumors newbie

    Jan 21, 2012
    I live in the States and switched out the sim card in Germany. I traveled all over Europe with the German sim card. No problem using watch with phone in Europe and no problem whatsoever when I switched the sim card back when I returned.
  5. hokiemas thread starter macrumors member

    May 26, 2015
    That makes me feel better. Switching out sims has become something I do every Tim I travel abroad, so it's good to know the watch won't skip a beat there.
  6. dhlizard macrumors G4


    Mar 16, 2009
    The Jailbreak Community
    The majority of functionality of the  Watch is irrespective of carrier, those few functions that are just require a working sim.

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