Tech

2 Samsung Galaxy Note 7 phones have caught fire in China

Two Galaxy phones have caught fire in , according to reports on social media.

It comes two weeks after the launch of the highly-anticipated 7 phone, was forced to recall 2.5 million devices worldwide

While the some of the models are known to have a manufacturing flaw that damages its battery, Samsung has previously said Chinese phones were safe to use.

This is because they use a battery that is different from the ones found in devices sold elsewhere.

Just two weeks after the launch of the highly-anticipated Galaxy Note 7 phone, Samsung was forced to recall 2.5 million devices worldwide (example pictured). Samsung has now said that the fault may stem from a subtle manufacturing error in the lithium ion batteries
Just two weeks after the launch of the highly-anticipated Galaxy Note 7 phone, Samsung was forced to recall 2.5 million devices worldwide (example pictured). Samsung has now said that the fault may stem from a subtle manufacturing error in the lithium ion batteries

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WHY WERE THE BATTERIES EXPLODING?
Lithium batteries are use in a range of consumer electronic devices, favoured by manufacturers because they are lightweight and pack much more energy into a small space than other power cells.

But storing so much energy in a tiny space, with combustible components separated by ultra-thin walls, makes them susceptible to overheating if exposed to high temperatures, damage or flaws in manufacturing.

If the separators fail, a chemical reaction can quickly escalate out of control.

Koh Dong-jin, Samsung’s mobile president told reporters in Seoul: ‘The flaw in the manufacturing process resulted in the negative electrodes and the positive electrodes coming together.’

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It is unclear how Samsung failed to discover the battery problem before launching the Note 7.

If confirmed, the Chinese incidents would be the first such incidents in the world’s largest smartphone market.

Samsung said it was investigating one of the reported cases.

A user of Chinese social media posted messages on Sunday saying a friend’s Note 7 caught fire over the weekend.

This comes as the company starts to replace some of the 2.5 million handsets that have been recalled across the world.

The user told the Associated Press the Note 7 was bought on 1 September through the JD.com e-commerce site.

The man, who asked not to be identified by name, said the phone started to heat up and vibrate late Saturday night, then exploded and emitted black smoke.

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Samsung contacted the owner on Sunday and offered to take back the phone in exchange for a refund, but the owner refused, according to the friend.

He said he and the owner didn’t want to be identified by name.

A second account on a separate social media account said an owner’s phone exploded Sunday while the person was playing a game on it.

That account gave no contact information for the user or details of where the person lives.

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