Dsl-2877al Firmware !!top!! Link

Do not turn off the router or close the browser window while the progress bar is moving. The process usually takes 2–5 minutes. Troubleshooting Common Issues

Never update firmware over Wi-Fi. If the wireless signal drops during the upload, the firmware will be corrupted. Use an Ethernet cable to connect your PC directly to the router. Dsl-2877al Firmware

Updates often include "bug fixes" that resolve sudden Wi-Fi drops, overheating issues, or slow LAN speeds. Do not turn off the router or close