Based off the video below, passengers remained calm and passed bottles of water to help extinguish the fire. The small blaze was put out quickly but the economy cabin was filled with smoke; you can hear people coughing during the duration of the video clip.
According to RT.com, a Russian news source, the airline is denying reports that a fire broke out onboard the aircraft and is stating that the device simply gave off smoke. The January 31 video appears to show flames onboard, even though it appears they were contained with relative ease.
It has also been reported that some passengers exited the plane by engaging the plane's emergency slides. Others exited the plane via regulation debarring; it's unclear if passengers were panicking on board when exiting.
The end of the video shows a crew member removing the phone and charger which appear to be badly burned; the end of the video shows a fire crew boarding the plane. Police told investigators that the phone belonged to a resident of China and the phone would be sent in for further investigation.
H/T: RT.com
