OpenPhoenux:Letux 2804

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Letux 2804, featuring GTA04
Letux 2804, running SHR

Letux 2804 Smartphone

The Letux 2804 is a hackable, open hardware smartphone for endusers with special interests. It is based on the GTA04 board and can be used as an upgrade for an old Openmoko device or standalone, e.g. in combination with a 3D printed case.


  • Handheld Debian Computer with UMTS
  • TI DM3730 with 1000 MHz
  • 512 MB RAM, 1 GB NAND Flash
  • microSDHC slot for up to 32 GB
  • WLAN (b/g), Bluetooth
  • Navigation sensors: GPS, Accelerometer, Gyroscope, Barometer, magnetic Compass
  • USB OTG 2.0
  • Display: 7.1cm / 2.8 inch, VGA resolution (480x640 = 285ppi), Touchscreen
  • Battery: 1200 mAh
  • ca. 19 x 63 x 121 mm, 136 g (with camera & battery)
  • Stereo Audio, Microphone and Earpiece
  • Composite Video output
  • Fully open Bootloader, Kernel
  • can run Debian/LXDE, SHR, QtMoko, ...


A new batch of Letux 2804 smartphones will be produced, once enough interest/pre-orders arise. Currently (May, 2015) pre-orders for the production of revision A5 are collected, see: