Make sure to backup your settings before upgrading!"
| Item | Status | |------|--------| | Hardware version sticker says (not A1, B1, U1) | ☐ | | Downloaded firmware filename includes C1 and 1.20 or higher | ☐ | | Connected via Ethernet cable (not Wi-Fi) | ☐ | | Backup of current settings saved to PC | ☐ | | Power source stable (no thunderstorms forecast) | ☐ | | Disabled antivirus real-time scanning (rarely interferes) | ☐ | | Performed a factory reset before flashing | ☐ |
because it only has 4MB of Flash and 32MB of RAM. This is insufficient for running secure, up-to-date third-party firmware, and support for this version ended in 2022. Spiceworks Community Known Firmware Versions
If the official site is down, trusted third-party repositories like "RouterArchives" or "Software archives" often host the v1.00.01 or v1.01 files.
SRLD fixes this by learning your line's baseline and acting before you notice lag or drops.
Before upgrading your firmware, make sure: