| Error Code | Message | Solution |
| --- | --- | --- |
| 0x80070015 | Device not in EDL mode | Reinstall Qualcomm drivers; check USB port. |
| 0x80004005 | Unspecified error | Use USB 2.0 port; try shorter cable. |
| Account not authorized | Server refused connection | Use paid auth service or patched version. |
| Sahara Fail | Firehose loader mismatch | Download correct programmer for your device’s chipset (e.g., SM8150 for Xiaomi Mi 9). |
| Anti-rollback check failed | Trying to flash older ROM | Only flash same or newer anti-rollback index. |
If your device can still enter fastboot, use Mi Unlock Tool instead of authorized flash.
One of the distinct features of the authorized tool is its ability to remove Mi Account locks (Activation Lock). This function is strictly regulated and typically requires proof of purchase to ensure the device is not stolen property. It resets the device to factory settings, removing the previous account association. Xiaomi Authorized Flash Tool 6.1.1 Download
| Error | Solution |
|-------|----------|
| Missmatching image and device | ROM not for your exact device codename |
| Anti-rollback check failed | Flashing an older ROM – use newer firmware |
| Already in fastboot mode | Reinstall fastboot driver (use Zadig or MiFlash’s driver folder) |
| Object reference not set to instance | Run as Administrator, reinstall Microsoft Visual C++ Redistributable |
The Xiaomi Authorized Flash Tool 6.1.1 (often labeled as MiFlash Pro v6.1.1) is proprietary software developed by Xiaomi for official service centers and authorized repair partners. Unlike the public MiFlash tool (which only works when the bootloader is unlocked), the Authorized Tool can flash devices in EDL mode (9008) even with a locked bootloader. | Error Code | Message | Solution |
This tool is the last resort for:
Version 6.1.1 improved USB stability, added support for newer USB 3.0 ports, and introduced a cleaner interface compared to v5.x releases. Version 6
While the tool supports most Qualcomm and MediaTek Xiaomi devices, it is particularly effective for:
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