Xiaomi launched a budget-friendly smartphone called Xiaomi 11T and 11T Pro along with Xiaomi 11T and 11T Pro. The device features a Qualcomm Snapdragon 778G SoC, AMOLED true-color display with 90Hz refresh rate, support up to 8GB of RAM. The device sports a triple rear camera setup and a 20 MP selfie camera at the front.

In this tutorial, we will guide you to install the custom ROM on Xiaomi 11T and 11T Pro. The device came out of the box with Android 11. If you want a vanilla-flavored custom ROM, then you can try the GSI build on your phone.

Well, If you are here, then you may probably want to install the Custom ROM on Xiaomi 11T and 11T Pro. As you read our title, yes we can guide you on installing the latest custom ROM on Xiaomi 11T and 11T Pro based on GSI build.

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When you buy a new phone, it comes with so-called stock ROM or stock firmware which basically means a pre-installed operating system. This ROM usually comes with some limited functionality defined by the OEM (phone manufacturer). Whereas a custom ROM is developed by using AOSP also known as Android Open Source Project. Yes, we all know that Android is open-source and therefore any developer can edit the code, or recompile it according to his or her need. You can read our complete article to understand the difference between Custom ROM and Stock ROM.

Flashing the ROM in Xiaomi 11T and 11T Pro is easy! All you need to do is follow the instructions carefully. If you are a newbie, then you need to understand that before flashing, you must unlock the bootloader on your Xiaomi 11T and 11T Pro. To unlock the bootloader, follow our guide on how to unlock the bootloader on any Xiaomi device.

If you already unlocked the bootloader, then you can simply follow our guide to install the custom ROM on Xiaomi 11T and 11T Pro. Before that, let’s understand What is a GSI build.

What is GSI Stands for?

GSI stands for Generic system image which is an Android System image that can be used to replace the current installed Android version with a new one. It is a pure Android with an unmodified Android Open Source Project (AOSP) code. With Android 8.1, Google introduced the project treble support for many devices and now with Android 9.0 Pie, Google finally added the API level 28 to support Generic System Images to all app developers to install and run the latest Android GSIs on a variety of existing Android devices. To know more: Read here

How to Install Custom ROM on Xiaomi 11T and 11T Pro

To install, as we said, you need to unlock the bootloader and must have a TWRP (to install via a  device) or a PC (to install via Fastboot). Yes, there are two methods to install the custom ROM GSI on Xiaomi 11T and 11T Pro.

Pre-Requirements:

  • This guide is for Xiaomi 11T and 11T Pro.
  • You will require to unlock the device bootloader at first
  • ARM, ARM64, or x86: Check your Android Phone’s Processor
  • Treble Support: Check If Your Smartphone Supports Project Treble
  • Download the required file and Support the GApps file from below.
  • Keep your device battery charged up to 60% at least for a smoother process.
  • Take a complete backup of your device data without Root. In case anything goes wrong, you can easily restore all the data.
  • Download and install Xiaomi USB Drivers
  • For adb method: Download ADB and Fastboot tool
  • For TWRP Method: Download and Install TWRP Recovery on Xiaomi 11T and 11T Pro
  • Download AOSP Android 12 GSI
  • AOSP 11.0 Quack Phh-Treble: Download
  • LineageOS 18.1 Download – If broken link, check official forum

Install via TWRP Recovery:

This guide is for those users who have installed TWRP recovery on your device. If your device is not supported, you can try the next method to install the custom ROM via GSI build.

Disclaimer

AOSP GSIs which is still marked as a pre-release. Even on a device that runs Pie GSIs nicely, it’s still possible to get broken media, camera, RIL, or even flat-out no-boot. You are strongly advised to try PHH’s original and then identify/report issues there, before moving onto other GSIs that are based on his work. Please report bugs on the same thread related to the ROM.

We’re at GetDroidTips won’t be responsible for any kind of damage or error that occurs to your handset while or after following this guide. This is a Custom ROM and may contain some of the bugs or stability issues. We can’t recommend you to use this firmware as your daily driver. Proceed at your own risk.

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Note:

A only arm32 – arm avN A only arm64 – arm64 avN A/B arm64 – arm64 bvN A/B arm32 – arm bvN

  • To install via TWRP, you need to factory reset your device using TWRP
  • Go into the Wipe option and Swipe to Factory Reset.
  • Transfer the GSI build to your Xiaomi 11T and 11T Pro using a USB Cable.
  • Once you have moved, you can remove your USB cable.
  • In your TWRP, tap on the install button –> Change type to Install Image and find the GSI you have moved in the 3rd step.
  • Confirm the flash by choosing the system partition
  • Once it is done, you can reboot your device and wait for a few minutes to boot up.

Flash via Fastboot

  • First, do the factory reset on Xiaomi 11T and 11T Pro. There are two methods to do it, follow anyone.
  • Factory Reset When Powered On: To install without TWRP, you have to factory reset using your Umdigi A7 Pro factory reset option.
  • Factory Reset via Stock Recovery: Reboot your Xiaomi 11T and 11T Pro into stock recovery using a button combination or ADB command.
  • adb reboot recovery
  • In your Stock Recovery, navigate using the Volume UP and DOWN button.
  • Make sure to extract the downloaded GSI build.
  • After resetting the factory ROM, you can now boot your device into bootloader mode using adb command adb reboot bootloader.
  • Now open the extracted folder of GSI build, there, now open the command prompt window by holding the SHIFT KEY and Right Mouse click.
  • In your command window, enter the command fastboot erase system
  • To flash the system image, enter a command in the following format: fastboot -u flash system name_of_system.img
  • Wait for the image to flash, it could take a few minutes. Once it has been completed, reboot your device either manually via power key or by entering fastboot reboot and wait for a few minutes to boot up.

We hope that this guide is helpful to you and you have successfully installed the Custom ROM on your Xiaomi 11T and 11T Pro handset easily. If in case anything goes wrong or if you have any queries, feel free to ask in the comments below.

  • Factory Reset When Powered On: To install without TWRP, you have to factory reset using your Umdigi A7 Pro factory reset option.
  • Factory Reset via Stock Recovery: Reboot your Xiaomi 11T and 11T Pro into stock recovery using a button combination or ADB command.
  • adb reboot recovery
  • In your Stock Recovery, navigate using the Volume UP and DOWN button.

adb reboot recovery

Credits to all the developers from the XDA forum and 4PDA forum