Repair guide Galaxy S21 (SM-G991B) - English - Rev.1.0

Quality Test

Bluetooth • Purpose: Check whether Bluetooth can search for other Bluetooth devices. • Provided information ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. To test this feature, the Bluetooth feature must be activated. Fingerprint recognition • Purpose: Check whether the fingerprint recognition sensor is working. • How to check: Place your finger on the fingerprint recognition sensor. • Provided information ‒ Status: View whether the feature is working normally. To test this feature, your fingerprint must be registered.

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