How to backup extract your android phone firmware

Unlocking the bootloader on modern Samsung devices have some caveats. The newly introduced VaultKeeper service will make the bootloader reject any unofficial partitions in some circumstances. When Magisk hijacks the recovery, there is a special mechanism to allow you to actually boot into recovery mode. Each device model has its own key combo to boot into recovery, as an example for Galaxy S10 it is (Power + Bixby + Volume Up). As soon as you press the key combo and the device vibrates with a splash screen, release all buttons to boot into Magisk. If you decide to boot into the actual recovery mode, long press volume up until Stock Firmware you see the recovery screen.

• So if you have already rooted, just hop over and download Titanium Backup application from the Play Store.
• You might be able to find a pre-rooted version of the ROM.
• It’s a straight forward and clean guide with the core focus on helping you understand the process of installing a custom ROM on Android.
• To backup or create a read-back of your Mediatek smartphone ROM that can be flashed on another device via SP Flashtool, follow the instructions here carefully.

Magisk may be installed using a number different techniques, such as TWRP recovery. If you choose not to install TWRP Recovery, you must extract boot.img from stock firmware and use Magisk to patch it. Generally Nandroid Backup is created using CWM recovery. But my procedure is very simple by using which you can easily create nandroid backup without cwm/custom recovery. If getting any problem in above method then just clear the data of the app and then try again. In most of the devices the data doesn’t gets deleted while installing custom firmware so titanium backup method is good for those mobiles. Since backup through titanium backup is a time taking process so you can try this method but try at your own risk.

Apart from this, some users prefer to reinstall Android OS when their device starts misbehaving. If you’re facing the same error with your device and plan to reinstall Android OS, you should first try making the necessary changes in the settings.

The place to get help for questions you have related to your Android device and the Android ecosystem. Confirm the selection, and you’ll return to the Actions screen. All the actions are shown in their own individual cards — swipe them away to remove them. SP Flash Tool is a specialized application that makes flashing stock firmware, custom recovery, and rooting any MediaTek-based smartphone much easier. It is also recommended in case of upgrading or downgrading MediaTek device firmware.