the server supports SP scanning? Cool if it's already being hosted, otherwise you'd see a message to switch to a scanning node and that would be cake's, if the server is scanning it should work fine with only a few people using it but we switched to the blockstream version of electrs because the main one is not suitable for many people, you could try with `electrs.cakewallet.com` to make sure if it works but will test on iOS to make sure, thanks for sharing