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The machine is at risk. Please back up the data before the machine is cleaned
1、 Unlock BL
Please refer to the "AGM X3 wire brush method to unlock bootloader | restore official | rescue brick" of ROM Home
http://www.romzj.com/course/3820.htm
2、 ROOT
Use the Magisk Manager to patch the official boot.img file to get the patched_boot.img file
Copy the patched_boot.img file to the root directory of computer disk C, and use fastboot flash boot C: patched_boot.img
Magisk official address
https://forum.xda-developers.com/apps/magisk/official-magisk-v7-universal-systemless-t3473445
3、 TWRP
Use the TWRP file extracted from AGM X3 AOSP 9.0 (thank you for "ignoring me") mobile phone Flashify application on the end is used to flush in or use fastboot flash recovery C: recovery.img
This TWRP is not perfect, the data partition cannot be attached due to known problems, the built-in storage cannot be attached, and the TF card mounting is unknown (it cannot be tested because there is no TF card)
PS: Magisk Manager、 Please download Flashify by yourself
patched_boot.img: https://pan.baidu.com/s/1ngc4kFXOwOXKuXGeeKDnBQ
Extraction code: 0f1i
recovery.img: https://pan.baidu.com/s/1uFClaIDoTxjHMLFFY8my6Q
Extraction code: 7dfh