Utel L443 Firmware Update ((new)) -

| Area | Requirement | |------|--------------| | | 99.5% successful update rate; rollback on any boot failure within 3 min | | Security | Firmware signed; HTTPS only; no plaintext passwords in logs | | Downtime | < 90 seconds from reboot to traffic flow restored | | Storage | Dual partitions (2× firmware size) + config backup area | | Network | Update download uses <50% of WAN bandwidth (throttle option) |

| Area | Requirement | |------|--------------| | | 99.5% successful update rate; rollback on any boot failure within 3 min | | Security | Firmware signed; HTTPS only; no plaintext passwords in logs | | Downtime | < 90 seconds from reboot to traffic flow restored | | Storage | Dual partitions (2× firmware size) + config backup area | | Network | Update download uses <50% of WAN bandwidth (throttle option) |