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Xiaomi 13 Ultra
HyperOS 3.0StableGlobal

Xiaomi 13 Ultra HyperOS 3.0 OS3.0.303.0.WMAMIXM

Stable firmware for the Global Xiaomi 13 Ultra (ishtar_global), released September 3, 2026.

Download OS3.0.303.0.WMAMIXM

Recovery ROM (OTA .zip) · 7.0 GB Install from the phone’s updater app — keeps your data.
MD5: 33a292ecf3dc7c0e89c8297cabc16c58
Download
Fastboot ROM (.tgz) · 8.6 GB Full image for Mi Flash Tool — clean install, unbrick or downgrade.
MD5: b9af25b9df8f2d210af374f894aa8c4d
Download

Files are served from Xiaomi’s official servers. Compare the MD5 checksum after downloading to make sure the file is complete and untouched.

Firmware details

Device
Xiaomi 13 Ultra
Codename
ishtar_global
Region
Global
Version
OS3.0.303.0.WMAMIXM
OS
HyperOS 3.0
Android
16.0
Branch
Stable
Released
Sep 3, 2026
Package
Recovery 7.0 GB / Fastboot 8.6 GB

How to install OS3.0.303.0.WMAMIXM

Recovery ROM (recommended, keeps data)

  1. Back up your important data and charge the phone to at least 50%.
  2. Download the Recovery ROM above on your Xiaomi 13 Ultra.
  3. Open Settings → About phone and tap the HyperOS version card.
  4. Tap the ⋮ menu → Choose update package and select the downloaded .zip file.
  5. Wait for verification, then tap Reboot now. The update takes 10–20 minutes.

Fastboot ROM (clean install, needs unlocked bootloader)

  1. Make sure the bootloader is unlocked and install Mi Flash Tool plus the Xiaomi USB drivers on a Windows PC.
  2. Download and extract the Fastboot ROM (.tgz) to a short path such as C:\rom.
  3. Power off the phone, hold Volume Down + Power to enter Fastboot mode and connect it via USB.
  4. In Mi Flash Tool select the extracted folder, choose clean all (wipes data) and avoid “clean all and lock” unless you want to relock.
  5. Click Flash and wait until the tool shows success; the phone reboots automatically.

Xiaomi 13 Ultra firmware for other regions

Frequently asked questions

Is OS3.0.303.0.WMAMIXM an official Xiaomi 13 Ultra update?
Yes. OS3.0.303.0.WMAMIXM is an official Stable HyperOS 3.0 build for the Xiaomi 13 Ultra (Global), released by Xiaomi on September 3, 2026. The download links point directly to Xiaomi’s update servers.
Which Android version does OS3.0.303.0.WMAMIXM use?
This firmware is based on Android 16.0.
Will installing OS3.0.303.0.WMAMIXM erase my data?
Installing the Recovery package through the updater app keeps your apps and data. Flashing the Fastboot package with “clean all” wipes the phone — back up first.
Can I install this on another region’s device?
Only install firmware that matches your device’s region (Global) and codename (ishtar_global). Cross-region flashing requires an unlocked bootloader and can cause problems.