What happened to the vivoX27 s navigation key is broken?

Try the following methods to see how to do it:

1. Confirm whether there is dirt on the screen It is recommended that you use a dust-free cloth dipped in a little alcohol to gently wipe the mobile phone screen clean;

2. Whether the screen is pasted with a tempered film or protective film Whether there is blistering between the screen and the film If necessary, tear off the tempered film or protective film and then try to operate;

3. It is recommended to press and hold the power button of the mobile phone and select Restart the mobile phone;

4. If you still can't recover after restarting the phone, you can click on one-click acceleration, close the background running software and release the running memory;

5. Go to Phone Settings -- System Management More Settings -- Backup & Reset Factory Reset -- Restore all settings and erase all data if necessary; (Be sure to back up the important data in your phone before operating).

6. If it still doesn't work, it is recommended to bring the mobile phone to the vivo customer service center for testing and processing. (Customer service center address: enter vivo official website vivo**app--my--outlet query--select province and city to query customer service center address)

1. Restart the phone to see if it is restored;

If it still can't be used normally, it is also recommended to take the mobile phone to the vivo after-sales service center for testing by professional technicians. The address of vivo after-sales service center can be queried by entering the mobile phone settings - more settings - service outlets and selecting the province and city where it is located.

Note: You can call ** first to confirm the after-sales working hours and plan the itinerary reasonably.

on 10 May 2019

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Dalian Mobile phone button water failure button replacement - make an appointment for repair service.

Dalian 6 7 8 Max Air full range warranty maintenance, in order to ensure that the parts you replace are **, please go to a regular repair provider. The mobile phone screen is damaged, water ingress, does not turn on, battery replacement and other faults are repaired within one hour, and the quality guarantee is 180 days.

Advertising Liaoning Dalian full range 7 8 x 11 pro mobile phone repair consultation.

Distribution area of Dalian mobile phone consultation and repair stores: Friendship Building, No. 158 Youyi Road, Zhongshan District, etc.

Vivo X20 phoneThe navigation key in the lower left corner is out of order, you can try to put your phoneReboot itSee if it's back to normal. If you can't get back to normal, it's recommended to bring your phone with youGo to the local vivo after-sales service center for testing and processingSteps:

1. Enter the settings on the standby desktop.

3. Service outlets.

4. Select the province or city where you are located to inquire about the address of the after-sales service center.

Note: You can call ** first to confirm the after-sales working hours and plan the itinerary reasonably.