Huawei E8372h-155 Firmware: Update

Note down your custom APN settings and Wi-Fi passwords. Method 1: The Official Over-The-Air (OTA) Update

| Error Code | Meaning | Solution | | :--- | :--- | :--- | | | Wrong firmware variant | Your file is for E8372h-153. Hard restart and find correct file. | | Error 0xE006 | USB disconnection during flash | You must use "Force Recovery Mode" (see below). | | Stuck at 90% | WebUI corruption | Re-download firmware. Your source file is truncated. | | "Device not found" after flash | Bootloader mismatch | Use Balong USB Loader tool to repartition. Requires advanced knowledge. | huawei e8372h-155 firmware update

Some versions have known issues connecting to specific branch gateways (e.g., AOS-W 8.5+ systems), which later firmware patches aim to resolve. Update Methods: The Good and the Risky Note down your custom APN settings and Wi-Fi passwords