He selected the .bin file he had just downloaded. He hovered over the "Upgrade" button. He took a breath.

: Patches connectivity bugs that cause random drops.

Tenda officially ended active support for the F3 after 2022, so the 2021 releases are the last stable versions available.

: Once the upgrade begins, the router must not be turned off or unplugged. Even a brief interruption can corrupt the firmware and "brick" the device, making it unusable.