Lenovo A850 Flashing MIUI V5 4.3.1 Android 4.2 Custom ROM - After last week i am posting on How to Rooting Lenovo A850 and Install Custom Recovery now it time to more modified your Lenovo A850 using MIUI V5 3.12 custom ROM. MIUI actually an official ROM for device named XIOMI this ROM don't have application drawer button, all applications short cut show like widgets in many screens same like Iphone view but users allow to modified it icons, colors, lock screen, and even boot animation. MIUI V5 4.3.1 for Lenovo A850 no longer support by official MIUI so any update will be provide by unofficial update but it will fix bugs too.
This guide for educational purpose only, We not responsible if your device bricked after following this tutorial. (DWYOR)
- CWM / TWRP must be installed first
- Do Nandroid Backup
- Battery minimum 70%, we don't wanna sudden shutdown interrupt flashing process.
- Download MIUI V5 4.3.1 and move it to your sd card
- Turn off your device
- Turn on your device while Power + Volume Up + Volume Down buttons, this combination buttons will make your device boot to recovery mode.
- On recovery mode select Wipe data / Factory Reset ↦ Yes - Delete all user data confirm all and begin to do factory reset.
- Back to recovery main menu select Wipe cache partition ↦ Yes - Wipe cache confirm all warning and begin to clean cache partition.
- Now go to Mount and Storage ↦ Format /System this will format your /system partition and remove all operating system from your device. When you perform this step it means no turning back if you reboot your device after perform this step you device will bootloop cause there is no operating system inside.
- Back to recovery mode main menu, select Install zip from sd card ↦ Choose zip from sd card, navigate to MIUI V5 4.3.1 confirm all warning and begin the installation process.
- When installation process finish, back to recovery mode main menu select Wipe data / Factory Reset ↦ Yes - Delete all user data this will avoid boot loop.
- Now select Reboot System Now, first time booting will take more longer it will take about 2-3 minutes so please keep patience.
- Done, for installation MiuiAndroid Gapps 4.2.2 Small Signed , repeat step 2 and step 7 but on step 7 navigate to MiuiAndroid Gapps 4.2.2 Small Signed file.