Documentation

Guides

Device documentation maintained alongside the ROM archive. Start with the warnings if you are new to this device.

!WarningsThe 1301 firmware notice, bootloader warnings and precautions — read before flashing anything.

Unlocking / Locking the BootloaderHow to unlock or lock the bootloader on the OnePlus Nord CE 3 5G (ziti) — requirements, fastboot commands and the warnings that matter.
Flashing a Custom ROMStep-by-step guide to flashing a custom ROM on the OnePlus Nord CE 3 5G (ziti) — recovery, format data and adb sideload.
Reverting to Stock from a Custom ROMHow to go back to stock OxygenOS on the OnePlus Nord CE 3 5G (ziti) from a custom ROM — stock OTA, Lineage recovery and the flash scripts.
Downgrading on Stock ROM (OOS)How to downgrade OxygenOS on the OnePlus Nord CE 3 5G (ziti) using the local install option — and the warnings around OOS 13.
Fixing "System Destroyed" While RelockingYou are here because you tried to relock your device after rooting it on stock OOS. Here is how to recover the OnePlus Nord CE 3 5G (ziti).