o
If there is a memory card in your device, remove it and restart the device. If removing
the memory card solves the issue, your SD card may be damaged. In this case you
need to get a replacement SD card for your device.
o
Use the Diagnostics application to carry out a quick test to check the touchscreen
functionality. Diagnostics can assess potential hardware or software issues on your
device.
o
Update your device to ensure that you have optimal performance and the latest
enhancements.
o
Perform a factory data reset. This is sometimes the best solution if your device stops
functioning properly, but note that it will delete all personal content saved on the internal
memory of your device. Make sure to back up data that you want to keep.
To back up your data using a computer
1.
Connect your device to the computer using a USB Type-
C™ cable.
2.
Make sure that the USB connection mode on your device is set to Transfer files.
3.
Transfer/Save your important data in PC.
4.
Advisable to Sync your data in google account.
To perform a factory data reset
To avoid permanent damage to your device, do not interrupt a factory data reset
procedure.
1. Back up any important data that is saved on the internal memory of your device to a
memory card or other non-internal memory. If you have any encrypted files stored
on an SD card, you should also remove the encryption to ensure you can still access
them after the reset.
2. Find and tap Settings > System > Backup & reset.
3. Tap Factory data reset > Reset phone.
4. If required, draw your screen unlock pattern or enter your screen unlock password or
PIN to continue.
5. To confirm, tap Erase everything.
Your device does not revert to an earlier software version of Android when you
perform a factory data reset.
8
、
The sound during calls is bad
If you experience that the sound quality is bad during calls, try these actions one after the other.
Verify after trying each action whether the problem was solved before trying the next one.
