Motorola Mobility Holdings, the maker of mobile phones and cable set-top boxes that split off from the rest of Motorola in January, is struggling to continue its turnaround and find a stable foothold in the world of smartphones and tablets.

Schaumburg, Illinois: Motorola is combining its mobile-phone and set-top box units into one company to set it apart from rivals Apple and Research In Motion.

Grim news is expected when Marconi unveils its interim results next Tuesday.