Samsung says battery faults caused the Galaxy Note 7 to explode

Samsung thinks it has found the reason why the Galaxy Note 7 smartphone kept exploding. According to the manufacturer, the problem lies with the lithium-ion batteries used in the device - both the originals and the replacement models.

The launch of the Samsung Galaxy Note 7 last year was something of a disaster for Samsung. Despite good reviews, many users reported that their beloved handsets had a nasty habit of bursting into flames. The company recalled more than 2.5 million phones and issued replacements, but some of them exploded too.

Ultimately, the company ended production and recalled all Galaxy Note 7 devices - a move that cost it an estimated $5.3 billion in lost profits.

But the question remained - why was it happening? Some speculated that the fault was in the batteries, and indeed this seems to be the case. Samsung's internal investigation tested tens of thousands of handsets, and identified two separate faults.

It says the first set of batteries had a casing that was too small, and that led them to short circuit and ignite. They were replaced, but those batteries had a different manufacturing defect, and that led to the same result - ignition.

In a statement, Samsung said: Our investigation examined every aspect of the Galaxy Note 7 including hardware and software, and related processes, such as assembly, quality assurance testing, and logistics.

"Through a large-scale testing facility where approximately 700 Samsung researchers and engineers replicated the incidents by testing more than 200,000 fully-assembled devices and more than 30,000 batteries, Samsung finally concluded the cause of the issues.

"Our investigation, as well as the investigations completed by three independent industry organizations, concluded that the batteries were found to be the cause of the Note7 incidents."

The company also assured people that the issue would not be repeated in any of its future phones - including the Galaxy S8, expected to launch next month.

It said: "We have taken several corrective actions to ensure this never happens again, including the implementation of a multi-layer safety measures protocol at the product planning stage, and an 8-Point Battery Safety Check.

"We look forward to moving ahead with a renewed commitment to safety. The lessons of the past several months are now deeply reflected in our processes and in our culture."

Source: The Mirror

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