Install Android 5.1.1 Lollipop on Nexus 7 with CM12.1 Stable ROM


Install Android 5.1.1 Lollipop based CyanogenMod 12.1 Stable build is now available to download at CyanogenMod official Site. CyanogenMod started releasing Snapshot builds for several devices by the start of this month and most of devices are already updated to the CM12.1 stable build. In the previous posts we have mentioned the whole procedure from start to end on each step to install the latest CM12.1 stable ROM based on Android 5.1.1 Lollipop for compatible devices you can follow it right here.

The CM12.1 build also comes with multiple improvements and new features are added inside it, just flash the firmware using custom recovery and experience the goodies of latest build on your Google Nexus 7 (GSM). This build is pretty stable and checked for proper working before released public not on;y this but CyanogenMod ROMs has a built in software update support for future updates.

There are multiple benefits of installing custom ROM on your Nexus 7 (GSM) which unfortunately can’t find in the stock firmware. The Custom ROMs gives you freedom to overclock CPU, install tweaking mods and tons of other software to enhance device performance further you can install themes to customize the device look. 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 Nexus 7 (GSM) with CyanogenMod 12.1 Stable 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 your Nexus 7 (GSM) from the below provided links

Download (217.83 MB)

Download Android 5.1.1 Lollipop Gapps

Process to install Android 5.1.1 Lollipop with CM12.1 Stable ROM on Google Nexus 7 (GSM)

In this tutorial we are using the ClockworkMod recovery flash process.

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 

That’s it! You have successfully installed Android 5.1.1 Lollipop via CM12.1 Stable release on your Google Nexus 7 (GSM), 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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