Maybe. I do fly in mode 2. maybe that's why the app crashed. Still don't understand why it wanted to move to the right.
In Mode 1 a left stick forward may have sent it off in another direction rather than up, though it doesn't sound like that now based on the data. The same thing happened to me a week ago though I think I took off in ATTI and lost it. It flew sideways into one of those orange netted construction fences. No damage. I'm going to locate the log on that and compare it to yours.
Any chance a prop was loose?