Flasing Custom ROMs on Oneplus 10R & Ace

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 OxygenOS 14 firmware CPH2423/CPH2411 14.0.0.640(EX01) or above installed.

Requirements

• Unlocked bootloader and USB debugging enabled from the developer options.
• latest ROM.zip, boot.img, dtbo.img, vendor_boot.img for 10R/Ace available here.
• The latest version of Google's platform-tools and a computer.

Make sure you have removed your google account & PIN/password.

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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

• Skip this if you are dirty flashing. 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

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