Issue Description
Screen is too dim, too bright, or brightness changes automatically.
Common Causes
Auto-Brightness enabled
Low Power Mode
Display settings misconfigured
Step-by-Step Solution
Step 1: Disable Auto-Brightness
Settings → Accessibility → Display & Text Size
Turn OFF Auto-Brightness
Step 2: Disable Low Power Mode
Settings → Battery
Turn OFF Low Power Mode
Step 3: Adjust Brightness Manually
Swipe Control Center
Set brightness to desired level
Step 4: Restart iPhone
Refreshes display services
Explore Further
Reset all settings if brightness fluctuates
Prevention & Best Practices
Avoid third-party display apps.