Download Huawei E5172 Firmware Upgrade Tool Full Direct

If the USB method is unavailable:

Once you have the correct .bin file:

The Huawei E5172 (often branded as the Huawei B315s-22 or E5172s-22) is a robust 4G/LTE CPE (Customer Premises Equipment) router. To unlock advanced features, improve stability, or enable carrier aggregation, users frequently seek a full firmware upgrade. The official tool for this process is the Huawei Firmware Upgrade Tool (also known as Huawei BALong Upgrade Tool or USB Loader), which communicates with the router via its hidden USB port.

Q: Can I use this tool on macOS or Linux?
A: Not natively. The tool uses Windows COM port APIs. Use VirtualBox with USB passthrough or Wine (unstable). download huawei e5172 firmware upgrade tool full

Q: Will this unlock more LTE bands?
A: The tool doesn’t add bands – the firmware does. Some custom firmwares (like H-Mod) enable band 28 (700MHz) on E5172s-22.

Q: My router is carrier-locked (Vodafone, T-Mobile). Can I still upgrade?
A: Yes, the full tool bypasses carrier lock checks. But you’ll need generic firmware, not carrier-specific.

Q: The tool says “Download full version to continue.” What now?
A: You accidentally downloaded a limited trial. Delete it and use our verified link above. If the USB method is unavailable: Once you

Before we dive into the download, let’s clarify why the official tool is essential.

Many users try to update via the web interface (192.168.8.1). That works for minor patches. However, for major firmware updates (e.g., going from V200R001 to V200R006), or if your router is stuck in a boot loop, the web interface fails. You need the PC-based tool.

The Huawei Firmware Upgrade Tool (often called "Balong Flash" or "USB Downloader") does three critical things: The Huawei E5172 (often branded as the Huawei

Warning: Using the wrong tool or incomplete version can permanently brick your device. Always ensure you download the “full” version—not lite or demo trials.

| Problem | Likely Cause | Solution | |---------|--------------|----------| | Tool doesn't detect router | Missing USB drivers or wrong COM port | Reinstall drivers; try all COM ports manually | | Upgrade fails at 5% | Incompatible firmware version | Double-check model number (E5172s-22 vs E5172s-22a) | | Router stuck with all LEDs blinking | Corrupted bootloader | Use TFTP recovery method (advanced) or JTAG | | After upgrade, no 4G | Firmware reset APN settings | Manually enter your carrier’s APN |