Install Android 5.1.1 Lollipop on Galaxy Tab 3 7.0 via UNOFFICIAL CM12.1 ROM


CyanogenMod 12.1 based on Android 5.1.1 Lollipop is now available for Samsung Galaxy Tab 3 7.0. In this guide you will be able to install CyanogenMod 12.1 on your Galaxy Tab 3 7.0, in the previous posts we have mentioned the whole procedure to install the latest CM12.1 ROM based on Android 5.1.1 Lollipop for compatible devices. We are going to follow the same process we have already posted for unofficial CM13 builds, just go ahead and follow the below instructions.

The CM12.1 build also comes with multiple improvements and new features are added inside it, The CM12.1 ROM is not stable yet to be used as daily drivers so click here for known issues described by the developer. Below we have mentioned the complete procedure along tools needed to flash the Custom ROM on your device.

How to install Android 5.1.1 Lollipop on Galaxy Tab 3 7.0 with CyanogenMod 12.1 ROM

Disclaimer: This tutorial includes multiple operations which includes, Installing Custom ROMs, Custom recovery and root. Follow the guide on your own risk, we are not responsible if you brick or damage your device however the chances of bricking a device are rare but you have to pay full attention on the complete guide to avoid any issues and difficulties while performing any of the above mentioned operation.


Please ensure your phone battery should be charged at minimum 80%

Download and install latest USB drivers

Your device should have a working CWM or TWRP recovery installed.

Download Android 5.1.1 Lollipop build specified for Galaxy Tab 3 7.0 from the below provided links

Download Android 5.1.1 Lollipop (CM12.1 ROM)

Download Android 5.1.1 Lollipop Gapps

Process to install Android 5.1.1 Lollipop on Galaxy Tab 3 7.0 with CM12.1 ROM

Connect your device to PC and transfer the downloaded CM12.1 ROM along Google Apps onto your device storage.

Turn of your device and boot into CWM custom Recovery menu by the hardware keys combination or using any third party app (Mostly found in Play store).

Once your device enters into CWM recovery, create a Nandroid backup of your device or follow our guide to create a Nandroid backup (this will create a backup of your complete device including current firmware) if something goes wrong you can restore your previous firmware.

Once the Nandroid process completes, navigate and select wipe data/factory reset.(this will erase your data)

Now it’s the time to flash the CM12.1 ROM on your device. Choose “install zip from sdcard” >> choose zip from sdcard & navigate to the folder in which you have copied the custom file and select it.

Select “yes” to confirm install, wait for a few minutes till the file is completely installed in your device.

Once done with the above step, now apply the same process with the installation of Android 5.1.1 Lollipop Gapps.

Wait for the installation process to complete. The first boot up may take 5-7 minutes.

If your device is taking longer then 7-10 minutes then follow this guide to to fix this issue 

You can also: Download and install Android 6.0 Marshmallow Google Now Launcher

That’s it! You have successfully installed Android 5.1.1 Lollipop via CM12.1 on your Galaxy Tab 3 7.0, experience the latest features of Android 5.1.1 Lollipop via CM12.1 custom ROM on your device. If you have any query feel free to contact us by posting your queries in the below provided comment section. Follow us on Facebook/Twitter/Google+ for future update.

A Software Engineer who loves to hang around latest gadgets and writes his own experiences to get the best possible and accurate information.
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