Tests the physical hardware keys (Volume, Power, Home) by changing the screen color when pressed. 2. Firmware and Hardware Information
, I can walk you through the exact diagnostic steps for that problem. Would you like to know how to interpret the results of a specific test? how+to+use+secret+codes+on+samsung+galaxy+a7+2+work
The table below catalogs the most functional and safe utility codes confirmed to work across the Samsung Galaxy A7 lineup: Samsung Galaxy A3 A5 A7 S3 S4 S5 Tests the physical hardware keys (Volume, Power, Home)
of specific codes in more detail if you're worried about harming your device. Tests the physical hardware keys (Volume