adb reboot bootloader Or use the shortcut script: double-click reboot_fastboot.bat .
| Error Message | Solution in ADB/Fastboot 703 | | --- | --- | | adb: command not found | You did not run open_cmd_here.bat . Navigate to the correct folder. | | unauthorized | On your phone, revoke USB debugging authorizations (in Dev Options) and reconnect. | | fastboot: unknown option -- disable-verity | Your Fastboot is too old. Version 703 includes an updated binary that supports disabling verity. | | Missmatching image and device | You are trying to flash a ROM for a different model. Use fastboot getvar product to confirm your codename (e.g., cupid for Xiaomi 12). | | Device not found in fastboot | Driver issue. Open Device Manager on PC, find “Android” with yellow exclamation, right-click > Update driver > Browse > Let me pick > Select “Xiaomi Composite ADB Interface”. | The “top” version isn’t just for basic commands. Here are three advanced scenarios where this toolkit shines. 7.1. Unlocking Bootloader on HyperOS HyperOS introduced stricter unlock policies. Version 703 includes a modified fastboot that can sometimes bypass the “Couldn’t unlock” error by sending extended handshake packets. (Note: This does not bypass Xiaomi’s server check, but it improves connection stability during the unlock process.) 7.2. Recovering from a Soft Brick (EDL without Auth) If your phone is stuck in a boot loop, the 703 tools package contains special scripts to force EDL (Emergency Download Mode) using a deep-flash cable. Look for the file edl_loader.bat . 7.3. Flashing a Custom Boot Animation With one command, you can replace the boring MIUI boot animation: xiaomi adb fastboot tools 703 download top
If you own a Xiaomi smartphone (Redmi, POCO, or Mi series) and consider yourself a power user, you have likely ventured into the world of custom ROMs, bootloader unlocking, or bloatware removal. At the heart of this ecosystem lies a set of tools that bridge your PC and your phone: ADB and Fastboot . adb reboot bootloader Or use the shortcut script:
| Tool Name | Key Feature | Best For | | --- | --- | --- | | | Official Xiaomi flashing utility | Flashing fastboot ROMs cleanly | | XiaomiTool V2 | GUI-based ADB/Fastboot (Python) | Users who dislike command line | | ADB AppControl | Paid but powerful UI for bloatware | Managing apps without root | | Platform Tools (Google) | Latest stable ADB & Fastboot | Always updated, but no Xiaomi scripts | | | unauthorized | On your phone, revoke
Disclaimer: Modifying system software may void your warranty. The author and platform are not responsible for any damage to your device. Ensure you understand each command before executing it.