The security expert who found the OnePlus app reportedly believes that the smartphone maker may have intentionally left it on devices.
Apple could release three new models of the iPhone X in 2018, one with a screen size of 6.5-inches, and a cheaper LCD model.
OnePlus said it does not see the factory-installed diagnostic tool as "a major security issue", but will remove it in an upcoming OTA.
At least three major issues are being reported by iPhone X users who bought in early. Owners experiencing the problems advised to visit an Apple store.
The elaborate, 3D-printed mask reportedly cost about $150 (£114) to make and can bypass Apple's new Face ID security.
Apple is scrambling to fix a software issue that prevents iPhone X's OLED display from receiving inputs in extremely cold weather.
iPhone X buyers who are missing the comforts of Apple's older models now have a solution. And if you are still not happy, get a look beneath the screen.
The hurdle echoes the legal battle between the FBI and Apple last year over whether the firm should help law enforcement authorities break into the iPhone of the 2015 San Bernardino shooter.
Google has rolled out a software update for the Pixel 2 and Pixel 2 XL to address concerns about screen burn in and colour clarity.
Apple is making bigger profit margins on the iPhone X than on the iPhone 8, despite claims the larger price is to warrant the new OLED display.
Samsung has poked fun at Apple's iPhones in a new ad released just days after the launch of the iPhone X. Here are some of the best shots fired by Samsung at its biggest rival.
Children as young as 10 have been reported to police after being caught sending sexual images, as data shows these "sexting" cases have more than doubled in two years.
The much-anticipated device is testing the patience of consumers and investors as demand outstrips suppliers' capacity.
Orders for Apple's new iPhone X have already extended into the middle of December. Die hard fans who missed out can still purchase it in store on November 3.
iOS 11.1 introduced a new batch of diverse emojis, including 5 shades for its vampires, but still no sign of the long-awaited redhead emoji.