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

Quality Test

Wireless charging • Purpose: Check whether the wireless charging feature is working normally. • How to check: Put your device on a wireless charger. • Provided information ‒ Status: View whether the feature is working normally. ‒ Charging speed: View the charging speed according to the wireless charger you put your device on. Use only Samsung-approved wireless chargers. Battery status • Function: Check the battery values and analysis. • Provided information ‒ Status: View whether the feature is working normally. ‒ Life: View the remaining battery life (measured by comprehensive battery values).

‒ Capacity: View the battery capacity. ‒ FAQ: View frequently asked questions.

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