The router company provides the default username and password for your new router. To change these default details the process is very easy. You can find your default username and password at the manual/ box or back of the router. If you wish to reset your username and password then you have to perform a factory reset. Now, look at the steps to reset your username and password for your router.
On the back of your router, look for a small hidden button
Once you find it then try to long press (10-15 sec) it (you can use a paperclip or needle to long-press it)
Now, wait for a couple of minutes and let the router reboot itself
After the reboot process, you will be able to reset the username and password for your router
In this step, set a unique username and password and memorize it
Finally, the username and password have been reset successfully
Note: After following the above steps the username and password will be changed successfully. Try to memorize it properly because this will be used to access your router’s admin account.