Xiaomi Mi4 is one of the best phones and most of the Indian users are already using the same as their daily driver. The phone comes with lots of new features and specs. If you are the Mi4 user and want to install CM 12 Android Lollipop ROM on your phone. Here is the guide which you can follow on your phone and update your device with CM 12 ROM. The Unofficial CM 12 Android 5.0.2 Lollipop custom ROM for the Xiaomi Mi4 has been developed by XDA senior member Bitti09. It is based on the CyanogenMod 12 base source but includes a few additional features such as DPI Chooser, Ambient Light Settings, and more.
Your warranty is void if you follow the given instruction in this guide. We the Howtorootmobile.com team or the developers are not responsible for bricked devices, dead SD cards. Read all the instruction very carefully and Perform everything at your own risk.
CHECK PHONE MODEL
This guide is only for the Xiaomi Mi4 android smartphone. Don’t try this method on any of other Android devices, It may hard brick your device. So, first confirm your phone model number in your android phone settings. To do this Go the Settings page of your device and check out the “About Device” option.
PRE-REQUISITES AND REQUIREMENTS
Before following the below Mention guide, It’s always recommended to follow our pre-requisites and requirement to stay safe.
1. BACKUP YOUR ANDROID DATA
Do take the Full Backup of your Android Apps, SMS, Contacts, Call Logs, Bookmarks. This one is one of the most important steps that you have to follow, as we don’t want anyone losing their personal data or apps. For help on Backup and Restore check out the below mention guides.
BACKUP ANDROID APPS, SMS, CONTACTS, CALL LOGS, & BOOKMARKS
BACKUP ANDROID DEVICE WITH THESE FREE APPS
BACKUP AND RESTORE WHATSAPP MESSAGES
2. ENABLE USB DEBUGGING MODE
Now you need to enable USB debugging mode. Without enabling USB debugging mode on your device you can’t start the root, Custom ROM or Unlock process.
3. CHARGE YOU ANDROID
If your device switched off during this process, it could damage or brick the device. Make sure that your Android battery is full charge or near about 50-70% battery level.
After following the above mention steps follow the below mention guide one by one to proceed with the tutorial. All the above mention steps are very important, so do follow all the steps and do exactly what is told.
UPDATE Mi4 WITH CM 12
Step 1. Download the CWM recovery for the MI 4 here and move the zip file on your phone internal storage.
Step 2. After this Go to Setting>Updater or Open Updater App from home screen.
Step 3 From here Press menu button and then “Select update package”
Step 4. Select the recovery zip and install it. Reboot device
Step 5. Now the CWM recovery is installed on your phone.
Step 6. Download the CM 12 ROM here
Step 7. You need a Gapps Package also to use the Google apps on your phone. GAPPS for Android 5.0 Lollipop can be downloaded from this link.
Step 8. Connect your Xiaomi Mi4 to your computer using the USB cable. Now transfer the above two files to the internal storage on your device.
Step 9. Now boot into recovery mode.
Step 10. In recovery, tap on the ‘wipe data factory reset’ option to perform a factory reset.
Step 11. After this tap on the advanced options and wipe the cache, dalvik cache, data and system partitions as well.
Step 12. Now tap on ‘install zip from sd card’ option and choose the ROM ZIP file that you transferred to the internal storage of your Xiaomi Mi4. Flash the file to install the ROM on your device.
Step 13. Once the ROM has been flashed successfully, flash the GAPPS package as well.
Step 14. After this reboot your phone.
That’s it. You should now have the Android 5.0.2 Lollipop Unofficial CM 12 custom ROM installed on your Xiaomi Mi4. The first boot is likely to take around five minutes