Monitor your Pi-hole's Query Log for blocked queries from your iPhone while you try to access FusionSolar, and try if allowing them would fix your issue.
How do I determine what domain an ad is coming from? could also be worth a read.
Monitor your Pi-hole's Query Log for blocked queries from your iPhone while you try to access FusionSolar, and try if allowing them would fix your issue.
How do I determine what domain an ad is coming from? could also be worth a read.