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Once downloaded, make sure the file ends in “.img” as most of these GSI ROMs are compressed in ZIP or XZ format. And you can go ahead and download A or AB type depending on the response you received earlier with the Treble Check app. Most devices that support Project Treble are newer Android devices and most likely arm64. On the download page, you will usually see a few different variations arm/arm64 or A/AB. You can also Google any GSI ROM you may want to flash.įor this tutorial, I will be using Pixel Experience GSI ROM, and I highly recommend it for those of you who want to try Android 9.0 Pie today.
#Bricked htc one m9 no os installed how to#
You can refer to our Android Root 101 page on how to unlock your bootloader on any Android.
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MAKE SURE you have unlocked your bootloader on your Android device. You can check this by installing the Treble Check app. You can only flash GSI ROMs to Android devices that have full Project Treble compatibility. Check if your Android device supports Project Treble and Find Out A or AB Since TWRP recovery is much easier method, today I will be showing you how to flash GSI ROMs using TWRP. One is to use fastboot commands using your computer connected to your Android device and the other is by using TWRP recovery. There are two main methods of flashing these GSI ROMs. GSI or Generic System Image ROMs are basically “generic” custom ROMs you can flash on any Project Treble compatible Android device with unlocked bootloader. (If you don’t know what Project Treble is, please see “What is Project Treble for Android”. The process is actually not entirely different from flashing a regular custom ROM in TWRP, the only difference is that you will be using “Install from image” option instead of the default “Install from zip” option.
#Bricked htc one m9 no os installed install#
For those of you who want to install Project Treble GSI(Generic System Image) ROM on your Android device with unlocked bootloader, you can use TWRP recovery to install them.