Based on forum polls (4pda, Reddit r/Huawei, LTE Forum), these are the best:
| Firmware | Based on | Key Features | Best for | |----------|----------|--------------|----------| | LTE H-V7.3.5 | Stock B315 | Band lock, TTL fix, VoLTE toggle | Unlimited hotspot users | | OpenWRT 23.05 | Open source | Full Linux, adblock, VPN server | Advanced users | | GoldenOrb v1.4.8 | ROOter | Multiple WAN load balancing | Rural / dual-SIM setups |
To download: Search “LTE H-V7.3.5 E5172” on GitHub (user:
lte-hack). OpenWRT → official firmware selector. download huawei e5172 firmware upgrade tool hot
Check the sticker under your router:
After the tool finishes, verify success: Based on forum polls (4pda, Reddit r/Huawei, LTE
✅ Login to GUI – new theme? Advanced menus?
✅ Check firmware version – Should show your new version (e.g., V7.3.5)
✅ Test band locking – Go to Settings > LTE > Band selection (manual)
✅ Check TTL fix – Connect a PC, browse to whatsmyttl.com – should return 64 or 65.
✅ Signal quality – New fields: RSRQ, SINR, CQI.
If you see “Update failed” or router stuck with red light → proceed to recovery section below. To download: Search “LTE H-V7
Do not upgrade for fun. Upgrade only if:
For a perfect entertainment hub, after firmware upgrade, connect the E5172 to a separate Wi-Fi 6 router (like Xiaomi or TP-Link) and place the Huawei in “Bridge Mode” – this turns it into a pure 4G modem and your lifestyle devices will sing.
Disclaimer: Flashing incorrect firmware permanently bricks the router. When in doubt, contact your ISP for an official upgrade. This guide is for educational purposes.