Since quite a while I was running a Pi-Hole DNS server in my network to block ad- & tracking requests for all devices in the network (more info about Pi-hole are on Wikipedia).
All was great until at some time our Android devices suddenly couldn’t connect to the WiFi anymore. They reported “Connected, No Internet“. All other devices, connected via LAN or WiFi were just fine: PCs, FireTV Stick, other PIs – no issues. When I disabled the use of PiHole, they were able to connect again.
Continue reading How to fix: Android Connected, No Internet with Pi-Hole