Navigate your internal storage and select your extracted stock boot.img .
If your phone fails to boot after flashing, you likely used a boot image from a firmware version other than 9.0.7. To fix this, download the original 9.0.7 stock firmware, extract the untouched boot.img , boot into Fastboot mode, and flash the stock image using fastboot flash boot boot.img to restore normalcy.
The safest approach is to download the official, stock 9.0.7 firmware for your specific device model and patch the boot image yourself using the official Magisk application. Step 1: Extract the Stock Boot Image download 9.0.7 patched boot image for magisk
Files uploaded to the internet quickly become outdated. Running an older Magisk binary on newer firmware can cause system instability, random reboots, or broken Wi-Fi and Bluetooth modules. How to Safely Generate Your Own Magisk Patched Boot Image
If you flash a patched boot image from a different region or minor build variant, you may face bootloop or Wi-Fi/FP sensor failure. Navigate your internal storage and select your extracted
If you do not have access to a rooted Android device or prefer to patch on a PC, there are alternative methods:
I found a thread buried on page 54 of a "General Development" sub-forum. A user named ShadowKernel99 The safest approach is to download the official, stock 9
The untouched, original file provided by your device manufacturer in the official 9.0.7 firmware.