Lower hashrate miners (<50MH especially, but even up to 100MH) will be more variable and even show up inactive/offline more often. That's normal. Watch your 24 hour average (or mouse over it for 6/12 hour averages) to see how those pan out.
Worldwide estimate right now for 47.5MH is 0.0008077, and most well-run pools average out within 5% of each other over time.
If you're sticking with ~50MH, you will want to wait as long as you can, as you might see 21% or more of your bare minimum payout go to fees. And honestly, if you're looking to cash out earnings more often than once every month with one GPU, you might find another pool better suited to that scale. Only 2% of our miners are 10-100MH, but all are welcome as long as you're okay with less frequent payouts.
With 260MH, current network-wide estimate is 0.005775 per day. I believe that is GBP8.71 per day. With 18 hours, 3/4 of a day, you'd be expected to earn GBP6.53. So you're at 148.55% of estimated revenue for your hashrate.
Our pool estimator is probably still "off" a bit because we had a 67+ ETH block yesterday. Good reason to (1) never pay too much attention to estimators or calculators, and (2) always compare in ETH, not local currency.
Strange. I just killed and restarted my t-rex instance with ProtonVPN running still. It connected and generated the DAG as usual and is now doing its work. Little bit slow to get a share, but with ~35MH (3060 v1 as primary display, first two shares in just over 2 minutes) that's to be expected.
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You could ask on Discord or Telegram (or if you want to out your VPN of choice, here...) if anyone else has experience with your VPN and ETH mining.
Yes, the official app is https://play.google.com/store/apps/details?id=io.flexpool.android
There is a known issue with crashing for some users that is generally fixed by clearing cache and data for the app and restarting. The dev team is working on it.