: Move your cable from a front USB 2.0 port to a rear USB 3.0 port on your PC motherboard for a more stable connection.
Deeply nested ROM folders or spaces in folder names confuse the command-line tool.
If you have completed Phase 1 and the error persists, move on to these more specific fixes. mi flash tool timeout error top
If you've tried multiple cables, USB ports, computers, drivers, and ROM versions without success, the problem is likely hardware-related. Persistent errors like "NvError 0x120002" or failure to be recognized by any computer strongly suggest a hardware issue with the phone's motherboard or eMMC storage chip.
If you are using a 2020+ version, try switching to a 2018 or 2017 version (e.g., MiFlash20180528 ). Conversely, if you are using an ancient version, update to the latest. 5. Keep the Device Awake : Move your cable from a front USB 2
No, your phone is almost certainly not permanently bricked. This is known as a "soft brick." As long as your device can still enter Fastboot or EDL mode, it can be recovered by following the steps in this guide.
Move your extracted ROM folder directly to the root of your main hard drive (usually C:\ ). If you've tried multiple cables, USB ports, computers,
Alternatively, manually check your to ensure your phone is recognized as "Android Bootloader Interface" without any warning icons. 4. Use the Command Line (Bypass the Tool)
The most common causes are often the simplest to fix:
This error is often seen in older Xiaomi devices like the MiPad 1. It occurs when the tool fails to execute specific flashing commands, resulting in an error like "failed executing command 17 NvError 0x120002".