Before `adb devices`
Connect the phone with USB, unlock it, and allow the USB debugging prompt if it appears.
Windows prep for Android tools
Open one installer at a time, finish it, then move forward. The page keeps the order simple and ends with the exact test commands you need.
Then install Platform Tools and the rest in sequence.
Finish the last section to verify `adb`, `fastboot`, `python`, and `git`.
Setup flow
Progress
After install
adb version
fastboot --version
python --version
git --version
adb devices
Connect the phone with USB, unlock it, and allow the USB debugging prompt if it appears.
Reopen Command Prompt after installing Platform Tools, or add the extracted `platform-tools` folder to your PATH.
Try a data-capable cable, another USB port, and Huawei HiSuite drivers if Windows did not detect the device correctly.