When we talk about Android systems, the feature that most distinguishes it is the ability to customize different aspects of the system. Custom recovery or custom recovery, provide the necessary tools to flash (install) on your smartphone or tablet, files like ROM changed without encountering potential risks of compromising the device. To perform these procedures on an Android tablet or smartphone, you need some tools that allow you to install ROM from TWRP recovery.
How to install ROM from TWRP recovery
With the tool TWRP Recovery you can perform many interesting customizations on your smartphone, but the real purpose of having a personalized recovery on your Android device is to be able to flash any unsigned .zip or .img file. These .zip files could be any software modified by independent programmers, containing different customization of the operating system. They can be custom kernels (this is the central part of the software architecture that manages different functions) or a custom ROM.
But what is a custom recovery? It is a non-system boot device mode that allows you to restore, install or delete system data. Why not use the stock recovery included in the operating system? Because the custom allow you to access different functions in addition: such as the installation of the custom Roms not included in the official one, in addition to other interesting functions.
Procedure for installing custom ROMs
In this guide we see how install ROM from TWRP recovery on any Android device.
The requirements to install TWRP Recovery are:
- Bootloader of the unlocked device;
- TWRP recovery compatible with your device. At this link you can find the versions for all devices;
- Root permissions enabled;
Step 1. First you need to install TWRP Recovery compatible with your Android device, if you don't know how to do it, I recommend you read this guide on how to install TWRP Recovery 3.0 on Android.
Step 2. Download and transfer the custom ROM you want to flash to the device memory.
Step 3. Boot the Android device into TWRP Recovery.
Step 4. Select “Wipe"From the TWRP main menu and run"Swipe to Factory Reset”At the bottom of the screen.
Note: This function resets the device. If your custom ROM doesn't require a factory reset, you can safely skip this step.
Step 5. Go back to the TWRP main menu, click on "install”And select the custom .zip ROM that you transferred to the device in the first part of this guide.
Step 6. After selecting the .zip file, do “Swipe to Confirm Flash”At the bottom of the screen to start the custom ROM installation process. This may take some time.
Step 7. Once the ROM is successfully installed, you will see the option "Wipe cache / dalvik", Select it and then do"Swipe to wipe”At the bottom of the screen.
Step 8. Once the cache cleaning and Dalvik is complete, hit the "back"On the screen and then select the"Reboot System".
all. The device will restart with the custom ROM installed. Since this will be the first reboot after flashing a new ROM, it may take some time to rebuild the cache and reboot, you will need to be patient. Now you can install custom ROM, get root permissions or perform a full system backup.