Note: This guide is for educational purposes and for users who are the legitimate owners of the device. Check your local laws regarding FRP (Factory Reset Protection).
If your BAC-L21 is still on Android 8 (EMUI 8) and hasn't been updated, you might use the emergency dialer trick: huawei bac l21 frp bypass
If the above doesn't work:
Your device might have been updated to EMUI 8.0.0. C900 firmware. In that case, you will need a USB OTG cable and a USB flash drive with the "FRP Bypass APK" renamed to dload folder structure (advanced). Note: This guide is for educational purposes and
To avoid bricking your Huawei BAC-L21:
Emergency Call: Tap the Emergency Call button on the welcome screen. C900 firmware
Service Code: Dial *#*#6130#*#* to open the hidden testing menu.
How to turn off Factory Reset Protection * Open Settings, then tap Accounts (or Users & accounts). * Select your Google account. *