Go to Firmware Update or Update Software . Click Choose File , select the firmware file you downloaded, and click Update .
Access the ADSL Setup console menu and change the service profile mode from dynamic down to a stable manual setup.
Disclaimer: Firmware updates are performed at your own risk. Incorrect updates can damage the modem. dsl2520uz2 firmware hot
Elevate the unit using small rubber pads. Keep it away from enclosed spaces or directly stacked on other electronics.
Before downloading any files, you must identify your exact hardware version. D-Link designs firmware for specific internal chipsets. Installing firmware meant for a different hardware release will break your device. Turn over your physical modem router. Locate the white barcode sticker on the bottom casing. Look for the or Hardware Version string. Go to Firmware Update or Update Software
Download the latest firmware file (usually a .bin file) from a trusted source.
Bugs in the firmware can cause the processor to work harder to manage traffic, generating more heat. Disclaimer: Firmware updates are performed at your own risk
What are you facing? (e.g., internet drops, slow speeds, or physical heat?)