The V1 hardware uses a different CPU architecture than the V2 . Firmware for V2 will brick V1, and vice versa.
A proper filename looks like: HG8321RV300R016C10S115_UPGRADE_BIN.bin huawei hg8321r firmware download
Step-by-step: safest upgrade path (assume you have official image or OTA available) The V1 hardware uses a different CPU architecture
