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I don't have a cell phone network signal
You may be experiencing any of these issues:
  • No signal bar on the signal indicator of the screen
  • Unable to send and receive messages
  • Unable to send or receive calls
  • Unable to use mobile data
The SIM card may not be recognized by the phone, or may have been positioned incorrectly in the phone. Follow these steps:
  1. Check that the phone is recognizing the SIM card.
  2. Look in the upper right hand corner of the device where the signal bars are displayed:
    • If you see one or more signal bars, the phone is receiving signal and reading the SIM card. See My cell phone network connection is unstable for more information on improving your signal.
    • If you see a No SIM message, the phone is not recognizing the SIM card.
Your phone may have lost its connection with the network. Follow these steps:
  1. Go to Settings > Airplane mode and toggle the mode On and Off.
  2. Check if the network is 3G or 4G. This can affect network signal quality and speed.
Power cycling your phone may help to solve the issue. Follow these steps:
  1. Press and hold the POWER button until the Phone Options appear.
  2. Tap Power Off and wait for the phone to fully turn off.
  3. Wait for a few moments, and then turn the phone on by pressing and holding the POWER button.

Safe Mode prevents third-party applications from functioning and is useful when troubleshooting issues caused by installed apps or services.

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