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Samsung SM-J400M - Page 141

Samsung SM-J400M
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Appendix
141
A small gap appears around the outside of the device case
This gap is a necessary manufacturing feature and some minor rocking or vibration of
parts may occur.
Over time, friction between parts may cause this gap to expand slightly.
There is not enough space in the devices storage
Delete unnecessary data, such as cache, using the device care feature or manually delete
unused apps or files to free up storage space.
The screen brightness adjustment bar does not appear on the
notification panel
Open the notification panel by dragging the status bar downwards, and then drag the
notification panel downwards. Tap
Quick panel layout
and tap the
Show brightness on
top
switch to activate it.

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