After all those notorious fires related to the batteries used by the world's largest handset manufacturer, Nokia has issued a product advisory for the BL-5C, Nokia-branded battery.
Using an array of 10 powerful radio telescopes, aimed at the galaxy BL Lacertae, the researchers studied a black hole just as it was sending forth a blazar jet.
The BL-5C is one of just 14 different batteries used in Nokia products so be sure to check the list below to see if your phone is one of the 52 Nokia handsets affected.