Battery; Troubleshooting - Quer KOM0470 User Manual

VII. Battery
Very Low Battery
' ' indicates that the power of Battery is full. When the battery level becomes too low,
a prompt comes up to note you to charge your tablet.
While charging, you can check the charging status in the lock screen:

Troubleshooting

1. Can not turn on the tablet
Check the tablet's power level, please charge it before starting it. In case your tablet
still cannot be turned on, you may try to reset it
2. No sound from earphone
Check if volume is set to '0'. Or earphone may be broken, please change for another
one.
3. Big noise
Check if there is dust in the earphone or speaker. Check if the file is broken.
4. Frozen to any operation
EN
Please use a pin to reset and then restart your tablet.
5. Application not workable
Possible reasons may be that this app is not compatible with your OS or the downlo-
aded .apk file is broken so you may need to download a full version.
6. How delete a Google account?
If an account is added, the account is shown in "Accounts & sync" of "Settings", where
you may also add another account. To delete an undesired account, go to "Settings"
→ "Privacy settings" → "Factory data reset". Your tablet's internal storage, downloaded
apps, etc. will also be deleted, except the info in your flash memory. Be careful before
you carry out this operation.
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Owner's manual
Full Battery Charging Battery