In order to reset, you need to know the current credentials of your Wi-Fi network. Your device would be offline, till you perform the reset. Let’s take a look at the steps on how to factory reset Linksys re6300. Locate the Reset button on your device. Depending on the model number you are using, it may vary where it is located. Press and hold the reset button for at least 10 seconds. This would reboot the device and perform a factory reset.