![]() ![]() *#2470# - Enable or disable camera shutter sound. *2767*2878# - Refresh your device (keeps your data). *2767*3855# - Factory Reset (wipe your data, custom settings, and apps). For example, learn how to back up your SMS messages with this guide. It's recommended that you backup your data beforehand. Warning: Incorrect usage of these hidden settings and tools could cause your system to become unstable (crashes, data loss.). You can use the following codes to edit specific settings or perform specific tasks: You can use the following codes to run tests on your hardware components: *#2663# - Display information about your screen. *#34971539# - Display information about your camera sensor. *#*#4636#*#* - Display general information about your device. *#7465625# - Check the status of the network lock and/or SIMLOCK. *#232338# - Display the MAC address of your WLAN adapter. *#232337# - Display the MAC address of your Bluetooth radio. ![]() *#*#4636#*#* - Display information about your phone, its battery and additional usage statistics. You can use the following codes to retrieve information about your system (hardware and software): If you type a code and nothing happens, you should simply skip it. Some of these codes are intended for specific smartphone models or versions of Android. Open the Phone app and dial the desired code as you'll normally do for a regular phone number. Fix secret codes for Android not workingīelow is a list of the popular secret codes for Android (2021).In case the fix does not work, then you need to send the phone to Nokia care for flashing of stock firmware.Īlternatively, you can try with the remote software flashing service (paid) which should cut down any chance of the issue being related to software. If you are lucky, then your phone will start up normally after the reset. ![]() Select yes on the next screen to confirm the data wipe.
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