: If an update causes issues, you can restore factory settings by holding the
| Section | Description | |---------|-------------| | Header | Magic number, version, hardware ID | | Signature | RSA-2048 signed hash (prevents unofficial flashing) | | Uboot | Bootloader for recovery mode | | Kernel | Linux zImage (compressed) | | RootFS | SquashFS with Huawei web UI and binaries |
The B311 series converts LTE signals into Wi-Fi and Ethernet. Like all CPEs, it runs a Linux-based operating system (Huawei’s proprietary VxWorks hybrid in older models, moving to OpenWRT-like stacks in newer). Users often seek firmware modifications to: