The Motorola Droid 4 (XT894) is a smartphone made by Motorola Mobility. It was released with Android 2.3 and can be upgraded to Android 4.1. It was released on Verizon Wireless's network on February 10, 2012. It is the successor to Motorola's Droid 3, and is one of the first smartphones to support GLONASS in addition to GPS.

The Motorola Droid 3 is a smartphone released on July 7, 2011, by Verizon Wireless running the Android 2.3 operating system by Google. It comes with 16 GB of internal storage. The smartphone does not ship with a microSD card. It has a 4-inch qHD display and an 8-megapixel camera capable of recording 1080p video. Unlike the Droid 2, the Motorola Droid 3 features a 5-row QWERTY keyboard, with a dedicated number row. It also has a VGA front-facing camera for video calls. The Droid 3 ships with Android 2.3.4 (Gingerbread) with Motorola's updated proprietary Motoblur UI. Like other contemporary Motorola phones, it has a locked bootloader, but TWRP can be installed using the SafeStrap exploit, which allows custom ROMs to be installed. The GSM/UMTS version of the Droid 3 was known as the Milestone 3.