Update 1: 2017/11/14 10:22am PST

NowSecure, a mobile security company that helped the developer find the password, has published a more detailed writeup about the backdoor. The post reveals that the poorly-hidden password was

Update 2: 2017/11/14 1:48pm PST

OnePlus has posted an official statement about the EngineerMode app:
“Yesterday, we received a lot of questions regarding an apk found in several devices, including our own, named EngineerMode, and

Update 3: 2017/11/15 2:29pm PST

The saga continues, as Qualcomm has now released a statement about the EngineerMode APK:
“After an in-depth investigation, we have determined that the EngineerMode app in question was not authored by

Just a month ago, OnePlus was caught collecting personally identifiable data from phone owners through incredibly detailed analytics.

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[Update x3: Qualcomm responds] OnePlus left a backdoor in its devices capable of root access was written by the awesome team at Android Police.

– Source