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

Quality Test

Mic • Function: Check whether the microphone is working normally. • How to check: 1) Tap Record and say something for the recording. 2) When the recording is finished, tap Play and select a button according to the question. • Provided information ‒ Status: View whether the feature is working properly. ‒ Mic types: View the status of each mic. ‒ FAQ: View frequently asked questions. • The number of tests may vary depending on the model. • If you cannot hear anything after recording, check whether the media volume is turned up.

18

Made with FlippingBook interactive PDF creator