Samsung Galaxy Note 7 phones - why did they catch fire?

Last Modified: Tue Jan 24 2017 09:20:47 GMT+0530 (India Standard Time)
  • 2
    separate instances of battery malfunctions were to blame for some of the handsets catching fire. Dong-jin Koh, Samsung's mobile business chief, acknowledged at a Monday press conference in Seoul, South Korea. He also used the conference to apologize to customers and suppliers.
  • #1
    A design flaw in the upper right corner of the battery made the electrodes prone to bend and, in some cases, led to a breakdown in the separation between positive and negative tabs, causing a short circuit.
  • #2
    A second battery, which came from a separate supplier had a manufacturing issue which led to a welding defect that prompted that battery to also short circuit and ignite.
  • 700
    dedicated staff tested 200,000 phones and 30,000 additional batteries as part of the investigation that eventually led to the above conclusions.
  • 3
    outside firms brought in to investigate (UL, Exponent and Germany’s TUV Rheinland) validated Samsung's internal findings.
  • 2.31%
    rise in Samsung shares at closing on the KOSPI on the day of the announcement.
  • 288,0000
    devices or 96% of the total 3 million Note 7 devices sold and activated have been returned globally.
  • $ 5 billion
    Operating loss that Samsung said it expected to book, spread over the last two quarters of 2016 and the January-March 2017 quarter.