With this change, only about 7% of ZX Spectrum software worked on TS2068. Using a ZX Spectrum ROM cartridge fixes it, raising compatibility to 97%.
A variant of the TS 2068 was sold in Poland after 1986 under the name Unipolbrit Komputer 2086. The machine introduced with further changes:
*Modified ROM
*Replaced a joystick port with a parallel printer interface