Install Android 5.1.1 Lollipop on Samsung Galaxy S4 Mini LTE & S4 Mini 3G with CM12.1 ‘Snapshot’ ROM


CyanogenMod started rolling our CM12.1 ‘Snapshot’ based on Android 5.1.1 Lollipop build for Galaxy S4 Mini both LTE and 3G variants. In this guide you will be able to download and install this latest build on your Galaxy S4, we have already mentioned the procedure to install Android 5.1.1 Lollipop based Snapshot builds for several devices you can have an overview of them for your assistance. Snapshot build is pretty stable and check for proper working before released public, CyanogenMod also push OTA updates if they find any flaw or bug inside the build. The CM12.1 build also comes with multiple improvements and new features are added inside it, just flash t he firmware using custom recovery and enjoy the smoothness of latest build on your Galaxy S4 Mini.

There are multiple benefits of installing custom ROM on your Galaxy S4 Mini 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. Before flashing the ROM you must remember that its an initial release and you may experience some bugs however everything is working fine feel free to flash the latest Android 5.1.1 Lollipop firmware with CM12.1 on your Samsung Galaxy S4 Mini LTE & S4 Mini 3G. 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 Samsung Galaxy S4 Mini LTE & S4 Mini 3G with CyanogenMod 12.1 ‘Snapshot’ build

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 Galaxy S4 Mini from the below provided links

Download (242.32 MB) (Galaxy S4 LTE/ International)

Download (241.41 MB) (Galaxy S4 Mini 3G)

Download Android 5.1.1 Lollipop Gapps

Process to install Android 5.1.1 Lollipop on Samsung Galaxy S4 Mini LTE & S4 Mini 3G

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 ‘Snapshot’ on your Galaxy S4 Mini LTE & S4 Mini 3G, 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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