Everything is negative, reversed colors
Go to Settings > Accessibility > Color inversion and turn it off .
Tones, hues are different or missing
•
If the screen shows warmer tones than usual, check quick settings to see if Night Light is on and
turn it off .
•
If certain colors appear diminished or their hues are different, go to Settings > Accessibility > Color
correction and turn Use color correction off .
Background turned dark/light
Go to Settings > Display > Advanced > Device theme and choose Light or Dark.
SD card problems
Phone doesn't recognize new SD card
If your phone isn’t recognizing a new card that you inserted, try these steps. After each step, check to see if
the issue is fixed.
1. Turn your phone off and then on again.
2. Inspect card for damage or alignment issue:
a. Turn your phone off and remove the card. Inspect for damage. If not damaged, reinsert the card.
b. Be sure the card sits completely in its slot and that the tray slides easily into the phone.
c. Turn the phone on.
3. Check that the card is mounted:
a. Go to Settings > Storage.
b. If you see Ejected under the card name, touch the name then touch MOUNT.
c. Turn your phone off and then on again.
4. Check that the card’s type and capacity is compatible with your phone. If not, use a different SD card
that meets the requirements.
5. Insert a different SD card to confirm that the issue is with the original card and not with your phone.
Phone can't format SD card
Try the following:
•
Check that the card’s type and capacity is compatible with your phone. If not, use a different SD card
that meets the requirements.
•
Try formatting the card using an SD card reader and an SD card formatter app on a Windows computer.
Fix a problem : Hardware issues
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