OnePlus' first foldable smartphone - the OnePlus Open - is all set to go on sale in India today. The smartphone was launched last week and is currently available for pre-order on the official OnePlus website. Interestingly, ahead of the first sale of the OnePlus Open, the smartphone maker has rolled out a software update to tweak and take care of some of the issues that have plagued the premium handThe OnePlus Open sports a 7.82-inch Flexi-fluid AMOLED panel with 1-120 Hz dynamic refresh rate. T