: Follow step-by-step instructions on HardReset.info to configure connection types and Wi-Fi security.
Finally, on a server hosted in a basement halfway across the world, he found it: A4201G_N_GNR_4.0.1.bin . pirelli adb prg a4201g firmware link
Click Upload . Do not power off the router during this process, as it could "brick" the device. Troubleshooting Connectivity Issues : Follow step-by-step instructions on HardReset
: If you have forgotten your customized login, you can perform a Factory Reset by holding the reset button for approximately 15 seconds. pirelli adb prg a4201g firmware link