You can root your Honor V10 smartphone on the stock firmware without erasing your data by flashing a boot.img file provided in this article. With this method, you don’t need special software like Magisk and Xposed to root your Honor V10; you just need to flash the provided boot image normally.
This tweak was developed by dawnc, a member of the XDA Forums, and he has tested it on the 6GB RAM + 128GB ROM China Edition of the Huawei Honor V10 with the model number AL20COO running on the B132 stock firmware. You can try it on other variants of the Honor V1-, but only at your own risk.
Pre-requisites
As with many others, you need to have fastboot and ADB installed on your computer before you can carry out this tweak. Here are some guides to help you with that:
Downloads
Download the file below and place it in the same folder in which you installed fastboot.