After the launch of OnePlus 3 there are lots of rumours have been can be seen for the next phone from OnePlus Company. A well-known analyst Pan Jiutang has revealed that the firm is working on an improved edition of OnePlus 3.

This could be launched as OnePlus 3 Plus and might be known as OnePlus 3S. The analyst Pan Jiutang has a good record of giving the accurate information for the upcoming devices.

The reasons for the new rumours are that OnePlus has failed to keep up with demand for its OnePlus 3. This is because the company is facing difficulties to source sufficient quantities of the AMOLED display used on the OnePlus 3.

According to GizmoChina, the OnePlus is stopping production of the OnePlus 3 in order to make room for a new OnePlus 3S or OnePlus 3 Plus. 

The OnePlus X was released on 5 November 2015, so, it is speculated of that if OnePlus stuck to annual updates a new OnePlus X2 model would be released within the next month. 

The OnePlus 3 Plus or OnePlus 3S will feature an upgraded specs. But the design is said to stay the same. The chipset will be rumoured to be replace from SnapDragon 820 to SnapDragon 821 which is the most powerful one to date.

Next year, the company could build OnePlus 4 device that will sport a display with the size ranging from 5.5 inches to 6 inches. According to oneplus4.org, OnePlus 4 will be coming up with an aluminum curved body. It will have the 4k screen, with 3D technology which will enable people to watch 3D movies.

OnePlus 4 release date is rumoured to be June 2017, if the OnePlus can get it out a couple of months earlier it could land around the same time as the Samsung Galaxy S8, HTC 11 and LG G6 - which will trigger the competition.

For the price, it is speculated  that OnePlus 4 will be cost over $400 on its launching, because the since OnePlus was priced at USD 349, OnePlus 2 at USD 389, and OnePlus 3 at USD 399.