Samsung Galaxy Secret Codes and Hacks to Unlock Hidden Features and menu like factory reset, engineering mode, unlock SIM, backup, battery reset, battery health, LCD screen display, sensor test, service mode key input, speaker volume, diagnostic test codes, hacks, system dumps, original check, hardware/software firmware, band selection, codes for network settings, dl magnetic sensor and thousands of other USSD dialer codes list in this article.

Below is a complete list of hidden codes for Galaxy Android Phones. Test and use All Samsung Secret Codes list in one place.

Check Backlight and Vibration and perform other general tests – *#*#0842#*#*

General Test Mode – *#0*#

Audible – *#0673#

Universal Test Menu – *#8999*8378#

Mobile Time Testing in Real-Time – *#0782#

Vibration Motor Test – *#0842#

Samsung mobile screen test code – *#0*#

Samsung battery test code – *#0228#

Samsung a10s test code – *#0*#

Samsung mobile screen test code – *#0*#

Samsung android LCD test code – *#0*#

Note 4 battery test code – *#0228#

Samsung a20s test code – *#0*#

Samsung display test code/Display Check Code – *#0*#

Samsung function test code – *#0*#

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