I also had the problem that when I selected an input box, the keyboard would open and the app would think that I had flipped the phone. It then showed me the bl

I also had the problem that when I selected an input box, the keyboard would open and the app would think that I had flipped the phone. It then showed me the black screen prompting me to flip it back which caused the browser to lose focus of the now nonexistant input box causing the keyboard to collapse again.