Xiaomi Global which started selling Devices in the Indian smartphone market in the mid of the previous year has took over the other brands in the Indian smartphone market. The Redmi 1S which was the cheapest device launched by the giant has got a huge use base, thus creating a huge potential for development. The successor to Redmi 1S i.e. the Redmi 2 has already hit the Indian smartphone market, but still people consider buying the Redmi 1S because of it’s low price, good features and good development support as well.


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On the other hand, Android’s latest Android Lollipop OS has brought in many changes and the latest version of it reduces the earlier bugs found and has been optimized a lot for better performance. Who wouldn’t love using the sweet Android 5.1? In this guide, you’ll be guided with steps to update your Redmi 1S to Android 5.1 Lollipop manually.

This update won’t be based on the stock MIUI ROM which comes with the Xiaomi Devices by default, but this ROM is based on the CyanogenMod 12.1, Hence after installing this you won’t have the old interface you had.

How to Install CM12.1 (Android 5.1 Lollipop) in Redmi 1S?

So interested to install the CM12.1 and get the taste of the latest version of Android Lollipop on your Redmi 1S, you will miss the MIUI interface, but you will also fall in love with the smoothness of the AOSP based CyanogenMod 12.1 Lollipop. Though this is not the official CM12.1 but, many users claim that it is a stable one and bug-free version as well, Hence you can get settled with it. Ready? Let’s begin with the steps to update your device.

Things Required :

  • Redmi 1S (with Custom Recovery Installed) [IMP]
  • Download CyanogenMod 12.1 for Redmi 1S
  • Gapps for Android Lollipop

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Step 1 : Download the CM12.1 and Google Apps in your Redmi 1S.

This guide assumes that your Redmi 1S already has Custom Recovery installed in it, in case it doesn’t have then do a quick search on Google for the steps regarding the installation of custom recovery and follow a suitable guide. Now download both the files and store it in the outermost/root directory of your Storage.

Step 2 : Reboot/Boot into Recovery Mode.

Once you’ve downloaded the files, boot into recovery mode where you’ll have to Flash the ROM, To boot into recovery mode press and hold “Volume Up + Power Key” during the booting. Depending on the recovery, you will see different options in it, In case it doesn’t boot into recovery mode then follow this guide : “Reboot into Recovery mode without Pressing Keys“.

Step 3 : Flash the CM12.1 and Google Apps.

Once you’ve successfully entered into Recovery mode, the primary task you have to do is “Flash the CM12.1” ROM, Depending on the recovery the options will be different, but before doing it, either wipe everything or perform a factory reset. Once done with it, Click on “Install Zip File“, select that option and navigate to the location where you downloaded the ROM and select the ROM first. Once done with Flashing of ROM, perform the same steps and flash Gapps and reboot smartphone!

That’s it, You’re done! You’ve successfully updated your Redmi 1S with the latest breed of Android Lollipop.

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