My device power cannot be turned on/off. What should I do?

Last Update Date : Apr 19. 2018

It happens when there is no battery, there is a problem with the contact between a phone and a battery, or
there is an error to the program or circuitry.


 1. The power cannot be turned on or off because there is a temporary problem with contact between a
battery and a mobile phone. Then, separate the battery and then install it again.

2. The power may be turned off when there is a foreign substance on the contact terminal of a battery or a phone. Clean the terminals with a cotton swab.

3. The power cannot be turned on or off when there is a problem with its battery. If the battery is still under
warranty, you can replace it for free. If the problem is caused by a customer's fault or it is not under warranty,
you need to buy a new one.

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