Librem 5 Phone – Birch

The sections on this page contain information about the Birch revision of the Librem 5 phone.

Quick Start Guide

The version of the Quick Start Guide included with the phone can be downloaded: Librem5-Quick-Start-1.0.3.pdf

Components

System on Chip and Peripherals

Audio

  • Wolfson Media WM8962
  • Headphones and external microphone via CTIA-configured 3.5mm jack
  • Loudspeaker

Battery

Bluetooth, Wi-Fi, WWAN

  • Bluetooth I2S interface
  • Bluetooth (SDIO)
  • RedPine WiFi/BT M.2 module on SDIO
  • Broadmobi BM818-E1 or BM818-A1 WWAN module

Display

  • Mantix MLAF057WE51 MIPI DSI LCD panel: 720x1440 pixels and touch controller

GNSS

  • Teseo-LIV3F multiconstellation GNSS receiver (UART2 interface and antenna)

Hardware Kill Switches

  • Diodes Incorporated Power Switch [datasheet]
    • WWAN (Modem)
    • WiFi/Bluetooth
    • Microphone and Camera

nano-SIM and microSD Cards

  • Combined microSD and nano-SIM slot

Push Buttons

  • Power
  • Volume up
  • Volume down

Sensors and Motors

Test Points

The 15 test points for UART1, UART2, JTAG, and the BOOT_MODE0/1 pins can be found below the WLAN module on the rear of the phone, as shown with the rear cover removed.

See a larger version of this image

The USB test points are located in the recessed area above the battery compartment.

USB

Schematics

The following schematics are available:

X-Rays

The images below show X-ray images of the circuit boards. Click on the images to see larger versions.

First view:

Top-left of upper side of the circuit board Top-right of upper side of the circuit board

Middle-left of upper side of the circuit board Middle-right of upper side of the circuit board

Lower-left of upper side of the circuit board Lower-right of upper side of the circuit board

Left end of upper side of the USB connector board Right end of upper side of the USB connector board

Second view:

Top-left of lower side of the circuit board Top-right of lower side of the circuit board

Middle-left of lower side of the circuit board Middle-right of lower side of the circuit board

Lower-left of lower side of the circuit board Lower-right of lower side of the circuit board

Left end of lower side of the USB connector board Right end of lower side of the USB connector board

Third view:

Top-left of the circuit board Top-right of the circuit board

Upper-middle-left of the circuit board Upper-middle-right of the circuit board

Middle-left of the circuit board Middle-right of the circuit board

Lower-middle-left of the circuit board Lower-middle-right of the circuit board

Lower-left of the circuit board Lower-right of the circuit board

Complete stitched images:

Complete X-rays images of the Librem 5 circuit board