Xiaomi 17 Max (byron) HyperOS Firmware China OS4.0.3.0.XAFCNXM Fastboot ROM
HyperOS updates for Xiaomi 17 Max (codename byron). Official Fastboot ROM and Recovery ROM firmware, build OS4.0.3.0.XAFCNXM.
Fastboot package: byron_images_OS4.0.3.0.XAFCNXM_20261021.0000.00_17.0_cn_ab1c3dea8a.tgz
Security patch: 2026-10-01
Xiaomi 17 Max Details
CPU
Snapdragon 8 Elite Gen 5
Latest Version
OS4.0.3.0.XAFCNXM
Android Version
17
OS Version
HyperOS 4
Display Size
6.9"
EOL Status
2032-03-31
Fastboot ROM and Recovery ROM
Download the OS4.0.3.0.XAFCNXM Fastboot ROM or Recovery ROM for Xiaomi 17 Max (byron). Recovery ROM installs from the Updater app. Fastboot ROM flashes with Mi Flash Tool.
Read MoreRecovery ROM
- Download the Recovery ROM.
- Open the Updater app on your Xiaomi 17 Max.
- Tap the three dots and select Choose update package.
- Select the downloaded ROM. The phone reboots into the new version when it finishes.
Fastboot ROM
- Download the Fastboot ROM package (byron_images_OS4.0.3.0.XAFCNXM_20261021.0000.00_17.0_cn_ab1c3dea8a.tgz).
- Boot the phone into Fastboot and connect it to a computer.
- Flash the package with Mi Flash Tool. Fastboot flashing erases data.
Note: Match the codename byron before flashing. Beta builds may not install from the stock updater.
Device Photos
Regions
Latest
China
Beta
OS4.0.3.0.XAFCNXM
17 HyperOS 4.0 China Fastboot ROM
