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

Quality Test

Camera • Function: Check whether the rear and front cameras are working normally. • How to check: Tap the camera button to test the rear and front cameras. The picture that was taken will be displayed to check the quality of the pictures. • Provided information ‒ Status: View the status whether the feature is working normally. ‒ Camera types: View the status of each camera. ‒ FAQ: View frequently asked questions. To test this more accurately, check if the camera is obstructed by foreign objects, the case, or protective film.

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