Updating the firmware is a prominent method that removes bugs and enhances the performance level of a router. You can use two methods to update the firmware of a Tp-link router, one is the manual process and the second is directly using the tplinkwifi.net interface. Once you have downloaded the firmware you need to unzip the file using an extractor such as WinRAR or Windows extractor. If you didn’t extract the file, you won’t be able to upload a new firmware file in the tp-link router.