The Huawei Y9 Prime 2019 (model variants: PAL-AL00 / STK-LX1 / STK-LX2 — confirm your exact model) uses EMUI based on Android. Firmware packages include system image, bootloader, modem/baseband, and recovery files. Official firmware updates come as full packages (UPDATE.APP) installed via HiSuite or local update, and sometimes as incremental OTAs.
This is the standard method for most users. firmware huawei y9 prime 2019
: Connect your phone to the computer using a high-quality USB cable. The Huawei Y9 Prime 2019 (model variants: PAL-AL00