Updated FAQ (markdown)

FAQ.md

@@ -58,6 +58,10 @@ Maybe you are also using a very high amount of LEDs. 750 is the recommended maxi
 Please open an issue or message me on Discord to resolve your issue. Most of the time, wiping the flash (Arduino IDE compile setting: Erase flash -> All flash contents) resolves the issue. Unfortunately it will also reset all your settings and presets. You can also try if using a different ESP resolves the issue. If you compiled with lwip version 2, try version 1.4 Higher Bandwidth instead!
 </details>
    
+<details>
+<summary>Still having connection issues/connection dropping: what more can i check?</summary>
+
+Check whether mDNS is on or off and toggle it: does it make a difference? Same for 'NTP'. Same for 'Sync Send'. Check your router: is your 2.4Ghz on band 1: if not, try it please. If you have the possibility to try another 8266, please try it.</details>
 
 ## LED issues