Those guides are applicable to every Oneplus 11 model:
- OnePlus 11 (CPH2447; CPH2449; CPH2451; PHB110)
- Unlocking bootloader
- Rooting
- Installing custom rom
- Error 7 fix
- Fix dead bootloader
- Revert to stock
- Updates
- GCam
ALL DATA WILL BE DELETED AFTER UNLOCKING THE BOOTLOADER
- Enable OEM unlocking "Advanced settings" -> "For developers"
- Download SDK Platform Tools and extract it to the root of drive C.
- Download ADB setup 1.4.3
- Extract adb setup and open file.
- Click Y on All
- Connect the phone to the computer and enable file transfers
- A USB debugging window from this computer will appear on the screen. Click OK
- Open a command prompt in this folder
- adb reboot bootloader - phone rebooted in bootloader
- fastboot flashing unlock - bootloader unlock (if u see
waiting fo any deviceinstall driver manually in device manager(Windows) ) - Select Unlock the bootloader by volume buttons and press power to confirm.
- In cmd type
fastboot flashing unlock - Your phone reboot and Agree by press Power button
- Download your current version rom full package
- Extract zip while payload-dumper-go
- Transfer boot.img from folder to phone
- Install Magisk/Apatch/KernelSU app on phone
- Select install and patch boot.img
- Transfer file to PC
fastboot flash boot init_boot.imgfastboot reboot
• Prerequisites
-
Make sure your device is unlocked (
fastboot flashing unlockandfastboot flashing unlock_critical). -
Backup your important data before proceeding.
• Clean flash
Sometimes it's not needed because some maintainers make own FW flasher, like crDroid. If main dont give a instruction, start from first step after this
- reboot to bootloader
fastboot flash boot boot.imgfastboot flash vendor_boot vendor_boot.imgfastboot flash recovery recovery.imgfastboot flash vbmeta vbmeta.img- If no file skipfastboot flash dtbo dtbo.img- If no file skipfastboot reboot recovery- Select
Factory Reset - Apply update -> adb sideload
adb sideload rom.zip- After 47% recovery ask you to reboot recovery. Ignore and click NO.
- Go back to the main menu.
- Select
Reboot - If u need Magisk,Gapps(for Vanilla builds) and etc. reboot to recovery and
adb sideload filename.zip
• Dirty flash (Update)
- Go to Recovery
- Apply update -> adb sideload
adb sideload rom.zip- After 47% recovery ask you to reboot recovery. Ignore and click NO.
- Go back to the main menu.
- Select
Reboot - If u need Magisk, Gapps(for Vanilla builds) and etc. reboot to recovery and
adb sideload filename.zip
Fixing error 7 while flashing a custom firmware
- Install stock firmware
- Install rollback firmware
- Update to any firmware on A14 or higher
Some users are faced on OOS/COS 14 with the problem of being unable to boot into Fastboot. Screen show "Fastboot mode" for 1-3 seconds and reboot to system.
- Download rollback ROM OOS(Global) OOS(NA) OOS(EU) OOS(IN) COS(CN)
- Go to the local update
- Local install your ROM (It will erase your data)
- Reboot to OS 13
- If you want to continue using the stock just flash latest stock from my channel and your bootloader will be fine
- Make sure
fastboot flashing unlock_criticalbefore flashing stock - Download your your OOS(Global) OOS(NA) OOS(EU) OOS(IN) COS(CN)
- Download OP11flasher.zip
- Extract the zip file in any folder
- Use payload-dumper-go to extract your rollback rom
- Merge all extracted ".img" files in extracted folder OP11flasher
- Connect the device in bootloader & make sure you have all drivers installed in your system
- Run the .bat file
- The window will close automatically after installation and the phone will reboot into the system
- After booting into system flash rollback OOS(Global) & COS(CN) via localupdate (find in group #local-install-stock))
- Install latest update (Full package)