Conduct firmware upgrade unless there is a severe bug in the current firmware of the router. Steps by Steps: Step 1 : Download the latest firmware from Edimax web site at www. How to download and update edimax br 6428ns v3 firmware Samsung are one of the most desirable gadgets that can be bought on the market as well as it is long lasting, so this is why people need to know how to update android firmware on Samsung. Edimax firmware updates. Step 2 : Download the latest firmware from Edimax web site at Step 3 : Click “ Firmware Upgrade”.