Samsung Galaxy Note 7: Battery design to blame for handset fires

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Samsung Galaxy Note 7: Battery design to blame for handset fires

Defects that caused Samsung Electronics Co.'s Note 7 phones to burst into flames past year revealed that the industry's voluntary standards for the design and manufacture of rechargeable batteries aren't adequate to protect safety, a USA consumer-safety regulator has concluded.

Samsung says bad battery design and a rush to release an updated version of the Galaxy Note 7 caused some of the devices to overheat and explode.

"Two different defects in two different sets of batteries from two different suppliers, but you end up with the same result in both cases, which is what seems so unbelievable about this case", said Dan Ackerman, an editor for CNET.

Samsung tested more than 20,000 Galaxy Note 7 phones and 300,000 batteries to find the cause of the smartphone fires.

Samsung announced a recall of 2.5 million units of the oversized Galaxy Note 7 in September 2016 after several devices exploded or caught fire.

Its upcoming flagship phone will be powered by the Snapdragon 835, which Qualcomm claims to be more powerful, provide better battery life, stronger LTE and Wi-Fi speeds, graphics rendering, and camera performance, when compared to the older processors available to Samsung's competition.

Samsung ended up recalling all Note 7 phones and canceling the product altogether.

Analysis of thousands of devices found that the original battery's casing was undersized, while a manufacturing fault was responsible for problems with its rushed replacement.

Samsung held a press conference on Monday in which it revealed the results of its internal investigation into why some of its Galaxy Note7 handsets set on fire.

Speaking to Reuters, Samsung's President of Mobile Koh Dong-jin has said that - unlike previous Galaxy S smartphones - the Galaxy S8 will not be ready to launch at Mobile World Congress in Barcelona, which kicks off next month. It had also delayed the launch of its next phone - the Galaxy S8. Even months after the Note 7 demise, people still keep talking about it and discussing it. A recall to replace the batteries did not solve the problem, prompting a second recall and a discontinuation of the model in October.

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