Issue Description
Screen does not turn off after timeout period.
Common Causes
App holding wake-lock
Screen timeout disabled
Accessibility services
Step-by-Step Solution
Step 1: Set Screen Timeout
Settings → Display → Screen timeout
Choose 30 sec–2 min
Step 2: Disable Always-On Display
Settings → Lock Screen
Turn OFF Always-On Display
Step 3: Disable Accessibility Services
Check for apps keeping screen awake
Step 4: Boot into Safe Mode
Identify app preventing sleep
Explore Further
Factory reset if unresolved
Prevention & Best Practices
Avoid apps requiring constant screen access.