Xiaomi is one of the most popular brand in Asia and lots of android phone are selling like hot cakes, Redmi 1s is one of them. The phone comes with an HD display, 8 MP camera and relatively fast processor for a very low price. Most of the users already bought the device. IF you are one of them and want to install the popular CyanogenMod 12.1 Android 5.1.1 ROM on your phone. Here is the tutorial which you can follow on your phone and install the same in within few minutes.
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 Redmi 1s 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.
2. INSTALL Redmi 1s DRIVERS
First you need to Setup ADB and Fastboot Drivers on windows PC. This will help you to send basic 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.
Install CM12.1 on Redmi 1s
Step 1. Install the TWRp recovery on your phone from here.
Step 3. Turn the phone off. Boot into recovery mode. To do this press and hold the volume up and power buttons at the same time.
Step 4. Once your phone in recovery mode. Go to Wipe > Advanced Wipe and slide to perform a factory reset.
Step 5. Go back to the main menu and Tap on Install. Select the CM12.1 ROM file.
Step 6. Swipe to install. After this do the same for the Gapps package.
Step 7. Once both the files are installed. Reboot system.
Now your Redmi 1s is running on the CM 12.1 Android 5.1.1 Lollipop.