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

Quality Test

Location accuracy • Function: Check whether the location accuracy is working normally. • How to check: Tap Start . • Provided information ‒ Status: View whether the feature is working normally. ‒ FAQ: View frequently asked questions. The results might be more accurate when you test outside. Wi-Fi • Function: Check whether Wi-Fi can search for Wi-Fi routers. • Provided information ‒ Status: View whether the feature is working normally. ‒ Available networks: View the number of available networks. ‒ Signal strength: View the signal strength of the connected Wi-Fi router. ‒ Networks: View available networks. ‒ History: View the Wi-Fi control history. To test this feature, the Wi-Fi feature must be activated.

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