No. You will lose 4G on bands 4 and 28. Also, the preload apps (Google vs. Huawei Mobile Services) conflict.
For devices locked out of a Google account after a reset, specialized firmware "downgrading" or tools like Sigma are often discussed in the repair community. SKT-L22 Firmware Update Using SD Card | Oxigen Techmart Firmware Huawei Y9 Prime 2019 Stk-lx3