Reset app preferences
When to use this reset
This reset doesn't allow you to choose individual apps; all apps will be reset.
Before resetting all apps, if you're having trouble with one or two apps, reset the apps individually.
If you still experience the following issues, then reset all apps:
•
App crashes frequently or won't open
•
App doesn't behave as expected
•
App uses too much battery or data
•
App sends error messages or notifications
•
App causes phone to be slow or unresponsive
What gets deleted/removed when you reset
•
Selections you made for default apps to use for specific functions or to open specific file types; you’ll be 
asked to choose again.
•
Apps you disabled manually to prevent them from showing in the app tray or on the home screen will 
reappear; you can disable them again.
•
Preferences you set for app notifications, like hiding notification content from the lock screen; you can 
reset these.
•
Changes in background data and app permissions.
Reset
To reset all apps:
1. Go to Settings > System > Reset options.
2. Touch Reset app preferences.
3. Touch Reset apps.
Reset phone
What a reset does
Resetting your phone erases all data and brings it back to out-of-the-box condition. This data will be erased 
from the phone:
•
Google account
•
Media (music, photos, videos)
•
System settings and data
•
App settings and data (including text messages)
•
Downloaded apps
Fix issues : Maintenance procedures
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