Re-install the Huawei Handset and Mobile Broadband drivers. Manually lock the serial port speed to 115200 bps in Device Manager. Secure boot certificate or security version mismatch.
The term "Firmware Writer 89" is somewhat of a colloquialism within the modem unlocking and repair community. It generally refers to a specific version or a suite of software tools designed to write, flash, or restore firmware images to devices powered by HiSilicon chipsets. huawei hisilicon firmware writer 89
Corrupted boot or partition tables inside the flash geometry. Re-install the Huawei Handset and Mobile Broadband drivers
Unlike generic EEPROM programmers, this tool understands the HiSilicon partition table: huawei hisilicon firmware writer 89