FAQ / Common FAQ / When calling, why it warns that the device is power off?

When calling, why it warns that the device is power off?

When calling, why it warns that the device is power off?

2022-06-01
  • Your SIM card should be valid.
  • Please check whether the SIM card is incorrectly inserted.
  • Observe indicator light. If network indicator is dark, this problem may be caused by SIM card, you can change another one and have a test. If this still can’t work, please return the device to factory to get an overhaul. 
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