Your ISP handles firmware updates remotely to ensure compatibility.
| Issue | Likely Cause | Solution | |-------|--------------|----------| | “Integrity check failed” | Corrupt file or wrong hardware version | Redownload correct firmware from verified source | | Update hangs at 99% | Firewall or WiFi interference | Repeat over wired connection, disable antivirus | | Lost admin password after update | Settings reset | Use default credentials (check ISP sticker) | | No internet after update | VLAN/ONT authentication lost | Re-enter ISP’s GPON SN/LOID and VLAN IDs | | Recurring update prompt | ISP remote management overrides local changes | Accept ISP update or disable TR-069 (not recommended) | Huawei Hg8145v5 Firmware Update