Samsung's flagship smartphone is almost perfectly designed, but it has one major flaw - the battery. It uses a 2,550 mAh battery, which is just not enough for an average Joe. It was also tested against the Galaxy S6 Active, which completely destroyed the S6 in a battery test.

The company is aware of average battery time for Galaxy S6 and hopes to improve that in the upcoming Galaxy S6 Plus, which should have a 3,000 mAh battery. Although it still lower than the 3,500 mAh battery used in Galaxy S6 Active, it's still much better than the 2,550 mAh in the current flagship phone. If only manufacturers would invest more in batteries than in hardware and smartphones would be much better than now.

As for the specs, the Galaxy S6 Plus, also known as Project Zero 2, is quite similar to the Galaxy S6 edge with a few improvements. The SM-G928 is expected to feature a 5.4-inch or 5.7-inch Super AMOLED dual-edge curved display, a hexa-core Snapdragon 808 processor, 32 GB storage, a 16-megapixel primary camera with OIS and 4K video recording, and a 5-megapixel front-facing camera. It measures around 151 mm tall and around 73 mm wide.