Amazon Kindle Fire HD 7″ is a great tablet with 7″ display. It runs on the Dual-core 1.2 GHz Cortex-A9, PowerVR SGX540 GPU. It also has 1 GB of RAM. The camera is a bit disappointing with 1.3 Megapixels. Kindle Fire HD ran on the Android 4.0 OS at the time of its release.
Android 4.0 was released more than 3 years ago and it is a very old OS. You can upgrade the Kindle Fire 7″ to Android 5.1 via the CM 12.1 custom ROM. Interested users can follow the guide given below.
Disclaimer: Follow the instructions at your own risk. If the device gets damaged, the writer or the owner of the site must not be held responsible.
Pre-requisites and Backing up your Kindle Fire:
- Create a Nandroid Backup
- Backup and Restore your Android via Desktop PC
- Backup/Sync and Restore contacts on Android
- Backup WhatsApp messages on Android and Email
- Kindle Fire must be rooted
- Custom Recovery like CWM or TWRP installed
- CM 12.1 zip file
- Gapps zip file
Steps to install CM 12.1 ROM on Kindle Fire:
- Create a Nandroid backup from recovery, in case anything goes wrong.
- Download the CM 12.1 ROM zip file and Gapps zip file and transfer it to the device.
- Switch off the device and boot into Recovery mode.
- Next, wipe the cache and the dalvik cache.
- Now go to “Install zip” and then “Select zip”. Choose the CM 12.1 ROM zip file.
- Now again clear cache and dalvik cache.
- Go to ”Install zip”, then “Select zip”. Choose the Gapps zip file.
- Then perform full data wipe task. To do so, click “Wipe Data/Factory Reset”, then choose “Yes” on next screen to confirm.
- After the process is complete, reboot the device.