"Это что вообще было?" Огненная вспышка в небе над Свердловской областью - YouTube
Russian cellphone video of bright light, but different from dashcam, seems there are several dimmer events before the bright one. Also, no noise, so a bolide would seem improbable unless very high up.
SOURCE URL: https://www.youtube.com/watch?v=LFSsLyX6N1A