Samsung says bad battery design and rush to release updated version of Note series caused some of the devices to overheat and caused an explosion, in a new report released Sunday night.
What went wrong
In the report, the company said two sperate battery malfunctions caused the Note 7 phone overheat and sometimes catch fire.
The first problem affected the first batch of Note 7 phones which were launched last fall, the battery of Note 7 was too large for causing of the phone, which caused overheating issues, according to Note 7 report.
After the first batch was recalled, Samsung manufactured Note 7 with batteries of the new supplier but in a rush to get a new smartphone to market the didn’t test it properly and a new battery produced by supplier had a defect which also caused overheat issue.
In the end, Samsung ended up recalling all Note 7 phones and canceled the product altogether.
Samsung says it has developed a new eight-point battery check to make sure future devices don’t suffer the same fate as the Galaxy Note 7. The test includes an X-ray of the phone and extreme testing conditions that force the battery to work harder than normal.
The company also formed a new group of third-party battery advisors that includes professors from the University of Cambridge, UC Berkeley, and Stanford University.
Added Samsung’s Korea-based mobile chief DJ Koh said: “We are working around the clock to get back our business, to deliver the best product and get our customers’ trust back.”