1. Android Central Question's Avatar
    Hi - Android tablet, for connection to a Sum up machine. Trying to use a data sim card for data purposed but 4G not working. I can't get past the exclamation mark.

    I confirm I have the right APN having been talking to the provider. The problem I think is in the re-boot process.

    All advice v welcome as I have spent hours on this now.
    07-25-2021 11:25 AM
  2. B. Diddy's Avatar
    Welcome to Android Central! Which tablet? Are you certain it supports your carrier's network bands?

    Please register on this forum, which will allow you to engage in discussion more easily, as well as post images. https://forums.androidcentral.com/as...community.html
    07-25-2021 11:47 AM
  3. Bunder2387's Avatar
    Thanks - have signed up.

    Its a generic Chinese tablet Yellyouth. Trying to get my local Church up and running with a Sum-up machine. Running the tablet off an Asda sim card
    07-25-2021 11:52 AM
  4. B. Diddy's Avatar
    What's the exact model number? You can find that in Settings>About Tablet.
    07-25-2021 11:58 AM
  5. Bunder2387's Avatar
    KT107
    07-25-2021 11:59 AM
  6. B. Diddy's Avatar
    It's hard to find that specific model number from Yellyouth. I found this, the YY-107S, which only supports 3G: https://www.reviews-tablet.com/p6aukd-yw/

    With these off-brand/no-name devices direct from China, all bets are off. Even if they claim certain specs, you always have to take that with a grain of salt, because they might just be lying through their teeth.
    Laura Knotek and J Dubbs like this.
    07-25-2021 12:33 PM
  7. Bunder2387's Avatar
    Thank you sir - I am beginning to come to the conclusion and I am doing something which can't be done. All the best.
    B. Diddy likes this.
    07-25-2021 01:29 PM
  8. belodion's Avatar
    Thank you sir - I am beginning to come to the conclusion and I am doing something which can't be done. All the best.
    Don’t worry, many people ask us how to do things that cannot in fact be done.

    Welcome as a new member.
    Laura Knotek and J Dubbs like this.
    07-25-2021 03:13 PM
  9. mustang7757's Avatar
    Is that running Android 6.0 ?
    Probably not capable of 4g
    07-25-2021 04:03 PM

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