Xiaomi Auth Tool Xat
Because the cracks were being patched, some developers moved to a subscription model. You download a client, but it connects to a remote server that handles the authentication bypass. You pay per flash (e.g., $5-$15 per device). These are more reliable but require an internet connection.
Xiaomi has implemented Anti-Rollback (ARB) protection on many newer devices. This mechanism prevents users from flashing an older version of the firmware than what is currently on the device. Using XAT to bypass authentication does not bypass Anti-Rollback. If you attempt to downgrade firmware on an ARB-enabled device, you may permanently brick the device (hard brick).
If you brick your phone, Xiaomi won’t help. No warranty. xiaomi auth tool xat
The term "Xiaomi Auth Tool" is vague because there are dozens of variants. Most are built upon leaked source code from legitimate Xiaomi engineering tools. Here are the most notable versions:
Some versions also require a server emulator (fake auth server running locally) and a license file (often leaked or cracked). Because the cracks were being patched, some developers
For legitimate bootloader unlocking:
Legitimate access to XAT is sold via credits or daily subscriptions on websites like XiaomiAuth.com (note: URLs change frequently). Typical pricing: You pay, receive a login to a remote
You pay, receive a login to a remote server or a license key, and the tool works via their live servers.
Note: Most genuine versions of XAT require a paid activation key or hardware dongle (e.g., “Xiaomi Auth Dongle”) sold by third-party resellers. Free versions are often malware-laden or time-bombed.