The online stock of the Samsung Galaxy Z Flip announced last week quickly depleted in the US and the smartphone is currently available in limited quantities in retail stores across the country. But, Samsung has announced that it will replenish the Galaxy Z Flip's stock at Samsung.com on February 21, Friday, which is also when pre-orders for the S20 lineup begin. The Galaxy Z Flip is the company's second foldable smartphone. It's powered by the Snapdragon 855+ SoC and boasts a 6.7" foldable Dynamic AMOLED display of 2636x1080 pixel resolution. The Z Flip packs a 3,300 mAh battery...