Download and install Lineage OS 18 on Xiaomi Mi Mix 2S (Android 11)

Xiaomi Mi Mix 2S (codename: polaris) was launched in March 2018. The phone came out of the box with Android 8.0 Oreo and later updated to Android 9.0 Pie. In this tutorial, we will show you how to download and install Lineage OS 18 on Xiaomi Mi Mix 2S (polaris) device.

Google’s proprietary operating system is open source in nature. This allows the user base to experience tons of customizations and tweaks on their devices.

You can install themes, icon packs and launchers. But this is only the beginning. There are a host of other tweaks you could make on your device. All you need is an unlocked bootloader, then you can install a custom recovery like TWRP, have root permissions via Magisk, the possibilities are endless.

Along the same lines, you could also try a custom Android OS in the form of a custom ROM. And in this guide we will talk about just that. Today we will show you the steps to install LineageOS 18 on your Xiaomi Mi Mix 2S device.

Before starting with this procedure, I highly recommend that you create a backup of your device memory and all your files stored on your device. Also, it is recommended that you follow the steps mentioned in this post very carefully to avoid permanent damage or block your device. If something goes wrong, the author or GuideSmartPhone are not responsible.

Prerequisites

That’s all. You can now proceed with the installation steps.

Instructions to install Lineage OS 18 on Xiaomi Mi Mix 2S

1. Transfer the downloaded ROM and GApps file to the internal memory of your device.
2. Now connect your phone to the PC via USB cable. Make sure USB debugging is enabled.
3. Go to the platform-tools folder on your PC, type CMD in the address and press Enter. This will launch the Command Prompt window.
4. Run the following command in the CMD window to boot your device via TWRP Recovery

   adb reboot recovery

5. Now that your device is booted via TWRP, go to the Wipe section and tap Advanced Wipe.
6. Then, select the System, Vendor, Data and Cache partition and swipe right to format the selected partitions.
7. Next, go to the Install section of TWRP. Navigate to the downloaded LineageOS 18 ZIP file, select it and swipe right to install it.
8. The process may take a few minutes. When the installation is complete, go back to the Install section and this time select the GApps package. Swipe right to install this file as well.
9. Similarly, you should also wipe the cache partition. You can use the Wipe Cache button which you will only be able to see after installing the GApps. If not, go to Wipe, select the cache partition and swipe right to clear it.
10. You can now reboot the device with the newly installed operating system. For this, go to Reboot and select System.

With this, we conclude the guide on how to install Lineage OS 18 on Xiaomi Mi Mix 2S. Let us know your thoughts on this ROM in the comment section below.