Flasing Custom ROMs on Oneplus 10R & Ace

Requirements

OnePlus Ace

If you have OnePlus Ace with OxygenOS installed, you need to follow the below mentioned steps before you flash the custom ROM.

• If you have OxygenOS 14/13, then you need to rollback to OxyegnOS 12 and switch back to ColorOS 12.
• Download OOS rollback zip from the support chat's notes.
• Once you are on OOS12, download COS12 zip from here and to switch to ColorOS, follow this instruction | Video Tutorial
• After you have installed ColorOS 12 then lock the bootloader.
• Update to the latest ColorOS 14 and unlock bootloader again.
• Now you have a fully working bootloader.

All necessary instructions and files can be found in the group OnePlus 10R/ACE

OnePlus 10R (80W and 150W)

The latest Android 14 firmware (CPH2423/2411 14.0.0.640(EX01) ), an unlocked bootloader (Skip all steps related to get an unlock_token.bin and use fastboot flashing unlock) and USB debugging enabled from developer options. The latest LineageOS.zip package and boot, dtbo.img and vendor_boot.img files for pickle available here. The latest version of Google's platform-tools and a computer.

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Let's start

• Reboot to bootloader

adb reboot bootloader

• Flash LineageOS recovery fastboot flash --slot=all boot boot.img fastboot flash --slot=all dtbo dtbo.img fastboot flash --slot=all vendor_boot vendor_boot.img

• Reboot to recovery fastboot reboot recovery

• Do a factory reset: Factory Reset > Format data / factory reset

• Sideload the LineageOS.zip package: (Apply Update -> Apply from ADB) adb sideload lineage-packagename.zip

• Reboot to System