Samsung has unveiled a foldable smartphone the galaxy fold - alongside a 5G a Galaxy s10 handset and three other galaxy s10 mobiles.
The fold will go on sale in just over two months time, earlier many expected.
The fold s10 5G features the firm’s biggest ever non-folding phone display and promises faster data speeds when networks become available.
The s10 line-up also includes the introduction of a lower-cost model.
Samsung had Previously acknowledged that the cost of its s9 range had contributed to lower than expected sales.
Open-up screen
Samsung sais the galaxy fold would open up to create a 7.3in tablet-like display and would be able to run up to three apps at once.
A demo showed off “app continuity “ features by which the device transferred from one mode to another much more smoothly than had been the case with an earlier foldable phone-Royole’s Flexpai.
One example involved a google maps screen appearing on the folds smaller front display and then expanding to a larger view when the handset was opened following a one-second pause.
Samsung added that Whatsapp,Facebook,YouTube and Microsoft office would also be optimised to suit the new form-factor.
It said that it had designed a new type of hidden hinge system that would withstand hundreds of thousands of fords and unfords and contained a battery on each side to extend its runtime.