The HONOR 90 uses (no dedicated recovery partition). Key firmware partitions:

: While standard updates rarely erase data, it is highly recommended to back up your phone to a cloud service or computer first.

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

If you want, I can:

By following these steps, you can keep your HONOR 90 up-to-date with the latest firmware and enjoy new features, improvements, and security patches.