How Windows evaluates network adapters and sets Internet Connection priority and how you can set the priority manually with Control Panel or Powershell
What is Wireless Client Bridge mode in DD-WRT custom firmware, its drawbacks and how to set it up working on D-Link DIR 615 E4 router
Reasons – why you would want to flash the stock firmware of your router. Included exact steps on how to flash firmware of your D-Link DIR 615 E4 router
A guide that will help you entering Emergency Room Web Interface on D-Link DIR 615 E4 router if you have problems with stock firmware on custom firmware
Where to download DD-WRT version that is compatible with the D-Link DIR 615 E4 router, flashing through OpenWRT another custom firmware and troubleshoot
Which OpenWRT versions are available for D-Link DIR 615 E4, where to download them and most importantly how to flash the Router with OpenWRT custom firmware
A comprehensive Troubleshooting D-Link DIR 615 E4 Firmware Flashing guide (and other model from the series). In case you flash firmware and encounter errors.
What is DD-WRT Custom firmware? How to download it for you specific router then flash it? Initial login to the web interface of DD-WRT.
What is custom firmware and OpenWRT. How to find and download the right version for your router. Tips about OpenWRT custom firmware.