Firmware Download -upd- ~upd~ - Ib-wrb300n-1.0.6

Note: It is highly recommended to perform this update over a wired connection, not Wi-Fi, to prevent a broken update that could damage the router. WRT300N-DX Support and Downloads - ReadyNet Solutions

Because firmware files are specific to hardware revisions, it is critical to get the file from an official or verified source: Ib-wrb300n-1.0.6 Firmware Download -UPD-

“Do not power off the device during the upgrade. Failure to do so may result in permanent damage.” Note: It is highly recommended to perform this