Those that bought their Moto X from Motorola unlocked (this means you have no carrier logo's on the back of your phone and when you plug it in to your computer the folder for the phones data will read "XT1053"), here is the official OTA OS Update to 4.4.2. (This includes Developer Edition phones of course). Follow these directions: I just did this and it worked perfectly. Here is my Moto X updated to the latest T-Mobile update running via an AT&T nano sim. **REMEMBER, THIS IS FOR STOCK (NON-MODIFIED) and UNLOCKED, GSM ONLY MOTO X USERS. If you are using a carrier branded phone or running a custom recovery, DO NOT download this. HIGHLIGHTS of the update: Added support for printing photos, Google Docs, GMail messages, and other content via Wi-Fi, Bluetooth or cloud printers; a battery life bug fix that a small number of users on Android 4.4 experienced; and a bug fix for e-mail services like Microsoft Exchange to take care of intermittent delays in data synchronization. Release notes are available at Motorola’s customer support website. Screenshot of my phone below.