Android devices have a feature called Android recovery Mode, which allows users to repair some issues in their smartphones or tablets. Here is the whole manual about the way to do input recovery Mode on your Android mobile.
What is Recovery Mode?
Android recovery Mode is an independent and light-weight runtime surroundings that is included on a separate partition from the principle Android operating system at the Android device.
Which allows you to wipe data or factory reset, Reboot system and update software, etc. without getting into your smartphone.
You can enter into recovery mode without password or pattern lock or PIN. You can use this option in case you need to unlock your smartphone, update smartphone software from SD card and reboot to speed up your smartphone, and many others.
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