Two different battery problems behind fire Note 7

Two different battery problems behind fire Note 7

Photo: Samsung

Samsung confirms that the batteries of the Samsung Galaxy Note 7 to the cause of the overheating problems, which in October last year to a global recall led.

That said Samsung ceo Dong Jin Koh Monday during a press conference in which the research results to the fire hazard of the phone were announced. In addition, said the chief executive that the Galaxy S8 later than expected is announced.

The conclusions of the research of Samsung licked Friday. The American newspaper the Wall Street Journal reported, when on the basis of insiders that the battery of the Galaxy Note 7 is not well in the housing of the device applied. According to Samsung, the mistake lies, however, in the manufacture of the two types of batteries that are in the Note 7 are used.

Two errors

Both the first series Note 7 devices as a replacement batch with other batteries were both suffering from their own problem. In the first series with the battery A was by the curvature of the upper-right corner of the battery housing, a deflection of the negative electrode, which could create a short circuit. Battery B in the replacement batch of devices had a faulty weld and in some cases lacked the electrical tape leaving a battery in the opening, also with short-circuiting as a result.

Samsung states that the the past few months, every aspect of the Galaxy Note 7 has been investigated. In the large-scale study of about 700 Samsung employees involved. They analysed more than 200,000 devices and over 30,000 batteries. The company migrated three objective research in to the incident to watch.


The Samsung Note 7, the errors in fire fly


The company says it takes responsibility for not identifying the problems that have emerged from the batterijontwerp and the production process.

To ensure that similar problems still occur, Samsung has the protocol extended. “The lessons that the past few months we have learned, are now deep into our processes and our culture anchored”, says Samsung.


Samsung decided as a result of the battery problems to the Galaxy Note 7 is completely taken out of production and all delivered copies to recall it. In the United States are now 96 percent of all Note 7-copies returned.

According to the American telecom provider Verizon, however, there are still thousands of devices in use, in spite of released software updates that the Note 7 disable, reports Fortune. To further use to avoid, has Verizon decided that henceforth, all the outgoing calls that users perform automatically switching to the customer service of the company.

Galaxy S8 will come later

Samsung ceo Dong Jin Koh said after the press conference, told Reuters that the Galaxy S8 not at the end of February during the Mobile World Congress in Barcelona is presented. In previous years revealed Samsung new Galaxy S models have always during that event.

It is not clear whether the product due to the increased batterijcontroles is delayed. Samsung gives no indication for when the device is presented.

Explanation: Problems around flammable Note 7

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