Leaving it enabled all the time is kind of a security risk for that this mode grants you high-level access to your device. USB Debugging should only be enabled when you need it. Go to Settings>Developer Options>USB Debugging.Tap the Back button and you'll see the Developer options menu under System on your Settings screen.When you are done, you'll see the message 'You are now a developer!'.Tap a few times and you'll see a countdown that reads 'You are now 3 steps away from being a developer.' Tap the Build number field seven times to enable Developer Options.Click Menu button to enter into APP Drawer.Scroll down to the bottom of the 'About phone' and locate the 'Build Number' field.Scroll down to the bottom and tap 'About phone' or 'About tablet'.Click Menu button to enter into App drawer.Other Android version please refer to How to Enable USB Debugging Mode on Android Although flashing the TWRP will not wipe up the data, but backup is always important when you do something with the system.ĭifferent Android versions have different ways. If you have unlocked the bootloader, you may already have them. Make sure that the version of TWRP is applicable to your Android in case of any device specific quirks. Download a compatible version of TWRP.Most bootloaders are locked, as well as encrypted to make sure users stick to the Android OS version manufactured by the developers.

Only you have unlocked the bootloader of the device, flashing the TWRP recovery is available. Unlock the bootloader of Android device.What you should do before Flashing the TWRP TWRP offers ROM installation and backup features but the stock recovery doesn't. The popular custom recovery - Team Win Recovery Project ( TWRP ), is a touch-based recovery. Custom recoveries has the ability to create and restore device backups. It is modified to allow update packages that have not been digitally signed by official sources. Compared to stock recovery, the custom recovery has more addtional features. A custom recovery is a third-party recovery environment. The stock recovery on Android device can delete all user and cache content ( for factory reset purposes ), allow external tools to run functions on Andorid device and perform system updates. There are two kinds of recovery, one is stock recovery, the other is custom recovery. It contains tools to help repair installations as well as official updates. The recovery is a runtime environment separated from Android that can perform various system-related tasks.

An Android device consists of several pieces of software, including the bootloader, radio, recovery and system.

Flash android phone using pc