URGENT PSA FOR ONEPLUS 13 / 15 / 13T USERS We have confirmed reports and hard evidence that the ColorOS 16.0.3.501 update introduces a hardware-level Anti-Rollback (ARB) mechanism.The Situation: If you update your device to version 16.0.3.501, the anti-rollback fuse is blown (updating the CPU/XBL security version).The Consequences:NO DOWNGRADING: You can NEVER flash an older ROM again.If you attempt to flash...Read more