Many i4882 units are "operator-managed." This means the ISP pushes specific firmware versions to ensure the gateway plays nice with their specific fiber infrastructure (GPON/Active Optical Networks). How to Check Your Current Firmware Version
Write this number down. If you are experiencing no issues, check your ISP’s support forum to see if this is the latest stable release. icotera i4882 firmware
Most ISPs push updates during off-peak hours (usually between 2:00 AM and 5:00 AM). During this time, your router may reboot. Many i4882 units are "operator-managed
of the firmware to solve a connection issue, or are you trying to features restricted by your ISP? Icotera i4882 - LinuxReviews icotera i4882 firmware