Flash Android 7 Nougat on Xiaomi Mi4c and downgrade to Android 5.1

Before you’ll start, pay attention to this steps:

1. Install or update TWRP for Android 5.1: TWRP-3.1.0-2-libra-L.img (39.8 Mb)
2. Make a full backup of your current system using custom recovery! It’s very important.
3. Create a new folder on your device and copy the following stuff:
   • Currently installed Android 5.1 ROM file.
   • Currently installed TWRP Recovery image.
   • Android 7 Nougat ROM.
   • TWRP Recovery for Android 7 Nougat (We recommend TWRP-3.1.0-2-libra-N.img)

How to flash Android 7 on Mi4c

Now we will start flashing Android 7 Nougat on Xiaomi Mi4c device:

1. Boot into TWRP Custom Recovery and wipe all partitions except Internal SD Card.
2. Reboot into recovery.
3. Install downloaded Android 7 ROM and install TWRP .img file right after you’ve installed Android 7 ROM.
4. Reboot into recovery.
5. Wipe “Dalvik / ART” and “Cache”.
6. Reboot into system.
7. That’s it! You’ve installed Android 7 ROM on your Mi4c device.

How to downgrade to Android 5.1 from Android 7

1. Boot into TWRP Custom Recovery.
2. Wipe all partitions, except Internal SD Card.
3. Reboot into recovery. On that step, recovery may not boot on the first startup. No need to panic here! Hold “Power” button and “Volume Up” button now, display will turn off and when it turned on again, release both buttons. TWRP will start.
4. Now install Android 5.1 .zip archive and then immediately install TWRP for Android 5.1.
5. Wipe “Dalvik” and “Cache”.
6. Reboot into system.
7. Complete the setup on the first up.
8. Reboot into TWRP recovery again and restore full backup that you’ve made before installing Android 7 ROM.
9. Reboot into system.
10. Now you’ve downgraded back to Android 5.1 and you’ve got all your previous system settings and apps!

The post [Guide] How to install Android 7 on Xiaomi Mi4c appeared first on Xiaomi Firmware.

How to downgrade Mi4S from Android 7.0 to Android 5.1

What’s required?

• If you’ve got unofficially unlocked bootloader, you’ll need to use your PC.
• If you’ve got officially unlocked bootloader, you need downloaded TWRP for Android 5.1, the PC will not be required.
• In both cases, you’ll need Android 5.1 ROM.
• Important! This method is not working on 8.2.1.0 MIUI ROM version. Roll back to earlier version!

In TWRP Custom Recovery, without rebooting your device.

• Wipe > Swipe to confirm.
• Install > Flash Android 5.1. > Swipe to confirm.

If you’ve got officially unlocked bootloader:

• Install > Install .img > TWRP for Android 5.1 > Recovery > Swipe to confirm.
• Reboot > Recovery.
• Reboot into system.

If you’ve got unofficially unlocked bootloader:

• Reboot into bootloader.
• Unofficially unlock bootloader and install TWRP Custom Recovery again.
• Reboot into system.

After that, you can return to the TWRP Custom Recovery and restore Android 5.1 backup.

How to unofficially unlock bootloader on Xioami Mi4S

1. Download and install MiFlash tool.
2. Enter EDL mode by typing these commands:

   adb reboot edl

3. Download unlock patch and install via MiFlash tool (select “Flash all except data and storage”): unlock.zip
4. Now after we’ve unlocked bootloader, we can install TWRP Custom Recovery.
5. Download and unpack this archive: twrp (1).zip
6. Boot your device in fastboot mode (press and hold “Volume down” and “Power” button), connect your device to PC and run flash.bat
7. Wait until TWRP recovery start, confirm with everything and select English language.

The post [Guide] Downgrade Xiaomi Mi4S to Android 5.1 from Android 7.0 appeared first on Xiaomi Firmware.