Phone Diagnostic Codes

Android *#*#0842#*#* (Vibration Test)

Tests device vibration motor.

Details

Activates vibration motor for testing purposes. Useful to verify haptic feedback is working.

Use caseTest vibration motor haptic feedback
Works onMost Android devices
CautionRead-only test; device will vibrate

Utilities

Copy-paste helpers

How to run

Open dialer type *#*#0842#*#* vibration starts immediately

Tip

Useful when buying used phones to verify vibration works

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FAQ

Common questions

Will this damage my phone?

No—it's a standard diagnostic test that's safe to use.

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