How to run
Open dialer type *#0*# service menu opens automatically
Phone Diagnostic Codes
Android *#0*# (Service Menu)
Opens Samsung hardware test menu for display sensors and speakers.
Details
Built-in diagnostics used to validate panels sensors haptics and speakers. Useful when checking refurbished devices.
Use caseHardware testing for display sensors speakers
Works onMost Samsung devices
CautionRead-only tests; avoid unrelated factory reset menus
Utilities
Copy-paste helpers
Tip
Run before buying used phones to confirm panels and sensors
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FAQ
Common questions
Why won't it open?
Some carrier firmware disables the service menu; try a Samsung unlocked model.
Community
Discussion & Experiences
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