Samsung's Galaxy Note7 investigation reveals two major battery problems

Posted on Jan 23 2017 - 3:25am by Huzoor Bux


The long and tumultuous story of the Galaxy Note7 smartphone finally has a conclusion now that Samsung has finally released the findings of its investigation into the exploding incidents that led to the device’s recall.

At a press conference on Sunday, the Korean electronics giant laid out the details of what exactly went wrong with the smartphone that initially received glowing reviews, but soon was buried in reports of explosion incidents. 

Last week, some reports indicated that the findings would reveal problems with irregularly shaped batteries as the cause of the malfunctions and now Samsung’s mobile chief DJ Koh has shed light on the real cause of the malfunctions. 

According to Samsung, among the two major issues causing the battery malfunctions were internal short circuits in the batteries as well as a number of batteries that were missing insulation tape. 

The findings come after the company conducted large-scale charge and discharge tests involving 700 engineers 200,000 devices and 30,000 thousand batteries. The investigation covered manufacturing plants in China, Vietnam and South Korea. 

Over the course of an hour, Samsung laid out detailed slides and video showing the lengths it went to in order to track down the problem, along the way pointing out potential issues with manufacturing and quality control. 

Along with its own investigation, Samsung also presented several outside parties at its press conference who also were tasked with tracking down issues with the Note7 including executives from consumer electronics safety groups UL, Germany’s TUV Rheinland and Exponent.     

And in an effort to further show that the battery explosions have been taken seriously by Samsung, the company also presented testimony regarding its testing efforts from chemistry and engineering professors from the University of Cambridge, UC Berkeley and Stanford University.

In order to address future battery safety issues, Samsung announced new measures to check the quality of batteries as well as the formation of an advisory group. The new measures will include “a broad range of internal quality and safety processes to further enhance product safety including additional protocols such as the multi-layer safety measures and 8-Point Battery Safety Check.” 

Samsung’s new Battery Advisory Group will involve “external advisers, academic and research experts to ensure it maintains a clear and objective perspective on battery safety and innovation.”

All the details regarding how Samsung conducted its investigation into the Note7 are now posted on a special website the company launched on Sunday. 



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