My Osmo action did suddenly stop working, It didn't start up. To start up it works on only one way, Put out the battery then hold the "disp" button and the mount the battery again when thee button is down. The it start up  I need to set the date, the display works fine  aboute 5 sek then the display close down and nothing happening. The light on the top is green when i start up and after it close diwn it´s red.

Hi there. Thank you for reaching out and we do apologize for the inconvenience. In this case, I'm afraid that you may consider sending the unit in for a proper diagnosis. You can contact our support team to start up a ticket at https://www.dji.com/support . Also, the warranty can be applied depending on the outcome of the damage assessment including the warranty period of your unit. Thank you for your understanding and support.