Official Cyanogenmod 12.1 Nightlies are available for Xiaomi Mi 3 and Mi 4. CyanogenMod 12.1 is based on the Android Lolipop and one of the most popular custom ROM packed with lots of features and customization. Here in this guide we’ll show you how to install the latest Official Cyanogenmod 12.1 on Mi 3 and Mi 4 android smartphone, Don’t try this guide on any of other Xiaomi devices, otherwise you will brick your phone.
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 Mi 3 and Mi 4 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 step 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.
2. INSTALL XIAOMI DRIVERS
First you need to Setup ADB and Fastboot Drivers on windows PC. This will help you to sendbasic linux commands, and a variety Android specific commands from PC to connected Android devices.
Now you need to install the USB drivers to connect your device with the computer to follow this guide. Without these USB drivers you can’t connect your device to the PC, first download and install these drivers on your system.
3. 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.
4. CHARGE YOUR 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.
INSTAL CM12.1 ON MI 3 & Mi 4
Step 1. Your phone should have a custom recovery installed onto your device
Step 3. You need a Gapps Package also to use the Google apps on your phone. GAPPS for Android Lollipop can be downloaded from this link.(Select the package for CM 12.1)
Step 4. Connect your Xiaomi Mi4 and mi3 to your computer using the USB cable. Now transfer the above two files to the internal storage on your device.
Step 5. Now boot into recovery mode. To do this tun off you phone and Press Volume Up + Power to start the phone in recover mode.
Step 6. In recovery, tap on the ‘wipe data factory reset’ option to perform a factory reset.
Step 7. After this tap on the advanced options and wipe the cache, dalvik cache, data and system partitions as well.
Step 8. Now tap on ‘install zip from sd card’ option and choose the CM12.1 ROM ZIP file that you transferred to the internal storage of your Xiaomi Mi4 and Mi3. Flash the file to install the ROM on your device.
Step 9. Once the ROM has been flashed successfully, flash the GAPPS package as well.
Step 10. After this reboot your phone.
That’s it. You should now have the Official CM 12 custom ROM installed on your Xiaomi Mi4, Mi3. The first boot is likely to take around five minutes