Sam­sung ex­plains why the Note 7 went boom


TechLife Australia - - HOTSPOT - [ SHARMISHTA SARKAR ]

NU­MER­OUS EX­PLO­SIONS, TWO re­calls, about US$5 bil­lion and a four-month long in­ves­ti­ga­tion later Sam­sung has fi­nally solved the mys­tery of the ex­plod­ing phone bat­tery in its Galaxy Note 7 ph­ablet. At a press con­fer­ence held in Seoul re­cently, the South Korean com­pany an­nounced there were two sep­a­rate bat­tery de­fects that caused both the orig­i­nal batch of Note 7s and the sub­se­quent re­place­ments to blow up.

The ex­ter­nal cas­ing of the bat­ter­ies in the orig­i­nal batch of Note 7s that went on sale in Au­gust 2016 was too small for the hand­set, caus­ing the bat­ter­ies to over­heat and ig­nite. Sam­sung re­called all Galaxy Note 7s and re­placed them with hand­sets that had bat­ter­ies sup­plied by an­other man­u­fac­turer — Am­perex Tech­nol­ogy. Be­ing in a hurry to roll out suf­fi­cient bat­ter­ies for the re­place­ments, the sup­plier in­tro­duced man­u­fac­tur­ing flaws which, along with other mi­nor con­tribut­ing fac­tors like miss­ing in­su­la­tion and sharp pro­tru­sions, saw the sec­ond batch crash and burn. Sam­sung is­sued an­other re­call in Oc­to­ber and has since pulled the plug on the S-Pen tot­ing ph­ablet.

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