Samsung (NASDAQOTH:SSNLF) will hold its next Unpacked event on Thursday, Aug. 13. The Korean tech giant is expected to unveil the Galaxy Note 5, the latest flagship in its line of popular phablets, along with several other devices, including a giant smartphone with a curved display and a new smartwatch.

Samsung's mobile business has stumbled in recent quarters, but it remains the world's single largest handset manufacturer, and Apple's (NASDAQ:AAPL) most significant competitor. Investors interested in the mobile space should watch Samsung's event closely. The following slideshow details the surprises Samsung could have in store.