I got the same problem running on 2.10 firmware official build. Then I updated to 2.10.30 and it was again working fine.
I'm now using the latest firmware 2.10.33 and it works fine.
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I got the same problem running on 2.10 firmware official build. Then I updated to 2.10.30 and it was again working fine.
I'm now using the latest firmware 2.10.33 and it works fine.
Hope that helps