OnePlus 9RT

Prerequisites

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The firmware for this device is included with the ROM.

• Latest Platform Tools
• Developer settings and USB debugging enabled (Instructions)
• Unlocked bootloader (Instructions)
• TWRP Recovery (Download here)
• Nameless AOSP ROM Image (Download here)

Instructions

1. Boot into fastboot using adb reboot fastboot.
2. Flash the TWRP Recovery using fastboot flash recovery recovery.img.
3. Reboot into recovery using adb reboot recovery if you're on system and fastboot reboot recovery if you're on fastboot or bootloader.

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You can also boot into fastboot and recovery using the button combination

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If your device isn't detected when in fastboot download the Google OEM Drivers and follow the instructions here.

4. Sideload nameless using adb sideload Nameless-AOSP_xxx.zip.

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Once you see a back arrow at the top left corner of your recovery the sideload is completed. Progress on your pc will stop at around 47%. This is normal behaviour.

5. Click back arrow, then click "Factory reset" -> "Format data/factory reset" -> "Format data"
6. After the format is completed, click the back arrow and then click "Reboot to system".