@Darvesh What kind of apps on the Android phone cannot be connected? How about other applications or web browsing, are they working fine? Is the Android phone connected to the 2.4G or 5G network?...

@Chowdhury14 If you can't login to the router web interface nor can you recall the login password, it's suggested to perform a factory defaults restore, which will reset all the settings you've made...

@AlvaroFST Was there any power cut or bad weather or firmware upgrading before it behaves abnormally? Try one more time to hard reset it by holding the reset button or hole for 10s. You can also...

Hello @lacticacid Are you saying the printer controller utility no longer works on your laptop? What is the operating system or OS version of the laptop? You can find the printer controller utility...

Hello @Dast When the internet is dropping, how about the internet LED on the C80? Is it orange or green? Please check and update the router firmware to the latest. If the internet LED turns orange,...

@Keshavsingh If you failed to set up the internet on the TP-Link router, please go through the following article to troubleshoot: What should I do if I cannot access the internet through Wi-Fi router?