K.109.3gp -

Most modern computers and phones can play these, but if not, try these media players:

It was heavily used in the early-to-mid 2000s for storing low-resolution, low-filesize videos on phones, often referred to as "3G video" 1. k.109.3gp

Ever come across a file named ? If you're trying to open it and having trouble, here’s a quick guide to what it is and how to play it. Most modern computers and phones can play these,