/* * Your warranty is now void. * * I am not responsible for bricked devices, dead SD cards, * thermonuclear war, or you getting fired because the alarm app failed. Please * do some research if you have any concerns about features included...
In order to flash Halium on a Guacamole device, you need the stock Android 9 firmware. For Global: https://sourceforge.net/projects/fastbootroms/files/OnePlus 7 Pro/9.5.13-GM21AA-OnePlus7ProOxygen_21.O.16_OTA_016_all_1908281716_b2bb5-FASTBOOT.zip/download For EU: https://sourceforge.net/projects/fa...16_all_1908281716_b2bb5-FASTBOOT.zip/download Next make sure your firmware actually boots.
Next enable developer options and enable usb debugging.
Reboot to twrp and format data.
Next you need to install Lineage 16 which can obtained from http://dlr.ovh:8080/guacamole/lineage-16.0-20200325-nightly-guacamole-signed.zip
let it boot, reboot to twrp and format data
Now Download artifacts ( https://gitlab.com/RyanAM/oneplus-guacamole-halium9/-/jobs/1757465059/artifacts/browse)
and extract .zip. Inside the zip you extracted you will find a boot.img and a system.img. flash boot.img with twrp by selecting install image then selecting boot.
reboot to fasboot and run
fastboot flash system system.img and reboot. Enjoy!
TWRP image: https://sourceforge.net/projects/ma...uacamole-unified-Pie-mauronofrio.img/download(edited)
Downgrade 11 to 10: https://oxygenos.oneplus.net/OnePlu...all_2010191035_downgrade_22b70083812944e2.zip
Downgrade 10 to 9: https://oxygenos.oneplus.net/fulldowngrade_wipe_MSM_18857_190505_1527_user.zip