Firmware Honor 90

is currently rolling out to ensure the latest protections against vulnerabilities.

The HONOR 90 (codename Rhea ) runs on MagicOS (based on Android). Its firmware adheres to a Virtual A/B partition scheme with seamless updates. This document outlines the firmware versioning, regional variants, update methods, and security architecture. Firmware HONOR 90

HONOR 90 uses AVB 2.0 (Android Verified Boot) with custom RSA keys. Modified firmware will trigger a red state (unbootable) unless the bootloader is unlocked (not officially available for most variants). is currently rolling out to ensure the latest

: Regular firmware updates are designed to maintain peak system responsiveness and internal memory efficiency. Firmware HONOR 90

This process requires an unlocked Bootloader and carries a risk of "bricking" your device.