flash Treble roms on OnePlus
Hey guys! So, as You know, OP6 has Treble, but when You flash GSI's on it, it will take You to EDL mode instead. Why? Well.. because of A/B and VBMETA partition. So... how do we fix it? It's actually pretty simple! Follow the guide and You will be able to boot GSI roms on Your OP6
Note: Before You can flash any GSI, You have to unlock Your bootloader. To do that, simply type: fastboot oem unlock . Just remember that it will wipe Your data!
Important: Flash 5.1.6 or above before flashing v20. It looks like 5.1.6 fixed Treble problems. Files have been updated to: 5.1.7
Step 1: Download any GSI rom You want, in this guide I'll be using Phh Treble latest build: Phh Treble A/B v20 with GApps and SU
(Make sure to extract it before flashing. You can do that with 7zip)
Step 2: Download this zip. It contains stock VBMETA as well as stock boot image, just in case if Your device is rooted. Link: Treble OP6 Files 5.1.7
Step 3: Extract those files on Your desktop for example and open terminal/cmd in the same folder as Your files. (Before You can do that, You should download latest minimal ADB and Fastboot available here: ADB & Fastboot XDA Thread Link ) Now. Copy and paste those commands:
fastboot --disable-verity --disable-verification flash vbmeta vbmeta.img
This command will let You boot non OOS roms, like Phh Treble or any other Treble GSI.
fastboot flash boot_a boot.img
fastboot flash boot_b boot.img
Those commands will flash stock non rooted boot image to both of Your boot partitions (Treble roms need slightly different root that's why we need to use stock boot image for now)
fastboot flash system_a system-arm64-ab-gapps-su.img
fastboot -w flash system_b system-arm64-ab-gapps-su.img
Okay, these commands will flash Phh GSI to both of Your partitions. The only difference is that second command will wipe Your data partition which is most likely required to have a bug free boot. So backup Your data before!
Aaand that's it! :victory: Enjoy Your new GSI rom.
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