1. Von 7's Avatar
    Bought unlocked S9+ July 1st(upgrade from Note 5), directly from Samsung. Using on Sprint(Unlimited plan) with new SIM card. Works great most of the time, however several times a day I lose network connectivity for mobile data. Signal strength is just fine(full LTE), but pages won't load, updates won't download, etc... Toggling mobile data doesn't work. The only fix is RESTART. I have updated the profile and PRL as well, but issue persists. Any ideas, or anyone else experiencing the same issue?
    07-31-2018 02:17 PM
  2. D.P.G.'s Avatar
    Same situation here unlocked on Sprint but no problems. Sorry I'm not any help have you considered a bad sim? Mine is a S9 Plus that might be the only difference.
    07-31-2018 05:59 PM
  3. Von 7's Avatar
    Toggling Airplane mode on/off will restore internet.
    07-31-2018 11:31 PM
  4. methodman89's Avatar
    What are your handoff and switching settings for connections? The new os can change from cell data to wifi automatically if configured for it. Make sure these are correct.
    08-01-2018 05:55 AM
  5. Von 7's Avatar
    I've enabled that feature now...we'll see if that works. I may pick up another SIM card today, and see if that helps as well. The only thing Samsung offered after 28 days of ownership, was shipping it off to a repair shop. I was hoping they could send me a replacement under 30 days. I love the phone, but mobile data is the whole point of a smart phone. I never had any problems with my Note 5, nor my son's S7.
    08-01-2018 08:59 AM
  6. Von 7's Avatar
    Does anyone know if a bad SIM card can cause mobile data connectivity issues?
    08-01-2018 10:43 AM
  7. methodman89's Avatar
    Does anyone know if a bad SIM card can cause mobile data connectivity issues?
    Yes, to the point of complete loss of connection.
    08-02-2018 06:37 AM

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