Galaxy Mega 6.3: A 2013 super-sized phone that blurred the line between phablet and tablet.

The Galaxy Mega 6.3 pushed size to the extreme in 2013 — a 6.3-inch phone that was nearly a small tablet. The HD-on-huge-panel and modest internals were the costs, but it foreshadowed the big-screen future that became normal a few years later.