@joe_charbel Hi, what is the model number, hardware version and LED status of your TP-Link device? Are you trying to login its web interface? If so, please try admin in lower case for the username...

@MBT59 For internet unstable issue, please refer to this guide for troubleshooting: Troubleshooting: Unstable connection on the TP-Link router

@StrangeLoneWolf Hello, thanks a lot for posting on TP-Link Community. We really appreciated all your feedback here. 1. There is a reset button on the router, by pressing and holding it for about 10s...

@Zachi Hi, thank you for posting on TP-Link Community. 1. Do you still remember your previous firmware version? and where did you download the current firmware? 2. The issue was happening on previous...

@Hernan10ARG Hi, when you login the router, please use your TP-Link ID to login instead of the local password, or the bound TP-Link ID will not be displayed on the web interface for security...

@Kabsz Hi, may I know who your ISP is? and please connect a computer directly to your modem to check if internet works fine, if not, you will need to contact your ISP to check the line or modem...