New Delhi, Dec. 21 -- OnePlus is reportedly preparing to expand its flagship 15 series with a new compact yet powerful smartphone. The device, believed to be called the OnePlus 15T, has surfaced through fresh leaks that hint at premium specifications and a smaller form factor aimed at performance-focused users.

According to Chinese tipster Digital Chat Station, OnePlus has begun internal preparations for the OnePlus 15T. The leak suggests that trial production of accessories linked to the handset has already started, indicating that the device is moving closer to an official launch.

The tipster claims OnePlus may introduce a magnetic snap-on case for the smartphone, possibly offered in white and grey colour options. This points towards ...