[Galaxy J series 2017] What can I do to get the brightness bar?
Step 1. Open the notification panel
Open the notification panel by dragging the status bar downwards.
Step 2. Drag the notification panel
Then drag the notification panel downwards.
Step 3. Tap More
Tap next to the brightness adjustment bar.
Step 4. Tap the Show control on top
Tap the Show control on top switch to activate it and tap DONE.
Step 5. Change the brightness
Change the brightness of the display from the appeared brightness bar.
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