How to Install POSP ROM on Xiaomi Mi 9T based on Android 10 Q

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Xiaomi Mi 9T (Codename: davinci) in June 2019. The phone came out of the box with Android 9.0 Pie. If you’re a Custom ROM lover and want to flash a Custom Firmware on your Xiaomi Mi 9T (Codenamed: davinci), then this guide is for you. Now, you can download and install POSP ROM on Xiaomi Mi 9T based on Android 10 Q from here. We have also shared the firmware details, download links, requirements, and a full installation guide as well.

Thanks to the Team of Potato Project for developing this ROM compatible with Xiaomi Mi 9T. According to the XDA member, this POSP ROM for Xiaomi Mi 9T is an initial Android 10 Q build. In order to install the Custom ROM on your Android handset, the device bootloader must be unlocked at first and should have installed the latest TWRP Recovery as well.

How to Install POSP ROM on Xiaomi Mi 9T based on Android 10 Q

Now, let’s take a look at the overview of POSP (Potato Open Sauce Project) along with its features.

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What is the POSP (Potato Open Sauce Project)?

Potato Open Sauce Project (POSP) is a buttery-smooth Android custom firmware (aftermarket) that is basically based on AOSP (Android Open Source Project). The POSP developers have handpicked the best features around the Android OS and have added their own sauce to it. In a simple way, this ROM aims to deliver some unique features to experience a better Android taste.

What’s on Android 10?

Android 10 is the latest and 10th generation of Android OS which was announced by Google a couple of months ago officially. The new Android version brings new system UI, new gestures, improved privacy & location control, system-wide dark mode, improved lock screen, enhanced app permissions, etc. It also features the foldable display support, security enhancements, focus mode, family link, live caption, and more.

The Android 10 (aka Android Q) also features built-in call screening, multi-camera API support, smart reply, chat bubble, 5G support, improved battery life, 65 new emojis, direct audio streaming support to hearing aid devices, etc.

Steps to Install POSP ROM on Xiaomi Mi 9T (davinci)

Follow this guide to download all the required files, tools, and drivers along with requirements to get things ready before flashing the firmware.

Pre-Requirements:

Download Links:

Instructions to Install

Please Note:

Always flash TWRP installer after flashing ROM in order to keep TWRP alive.
  • Then you will need to flash the Android 10 GApps file from the TWRP main menu > go to Install > select downloaded GApps zip file and swipe to flash.
  • After flashing both the firmware and Gapps package, you can reboot your Xiaomi Mi 9T to the system.
  • It will take some time to boot for the first time after installing a Custom Firmware on your device. Have some patience.
  • Now, your device will boot into a new system. Enjoy!
  • Additionally, you can install root on your Xiaomi Mi 9T via SuperSU or via Magisk as well if you want.

We hope that this guide is useful to you and you’ve successfully installed the POSP Custom ROM (Android 10) on your Xiaomi Mi 9T (davinci) device. For any queries, let us know in the comments below.

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