The C202SA Chromebook is also sold as CS202S in Canada. 

Its code name is "TERRA".

====== Specifications ======

  * Braswell [[https://ark.intel.com/products/91832/Intel-Celeron-Processor-N3060-2M-Cache-up-to-2-48-GHz-|Intel Celeron N3060]] @ 1.6Ghz (2 cores x 1 thread)
  * 4GB RAM, 
  * 11.6" mate screen - WXGA (1366x768) screen resolution - ''xrandr | grep rprimary''
  * Front webcam - 720p (1280x720) resolution - ''v4l2-ctl -d /dev/video0 --list-framesizes=YUYV''
  * Audio : Realtek ALC5650/5654 (module: chtrt5650)

====== Steps ======

  * Disassemble the device (remove 12 screws on bottom), locate the WP screw, and remove it.
  * Replace firmware with [[https://mrchromebox.tech/#fwscript|Mr. Chromebox.net full UEFI firmware]]
  * Boot [[https://cdimage.debian.org/cdimage/unofficial/non-free/cd-including-firmware/buster_di_alpha4+nonfree/amd64/iso-cd/|Debian AMD64 Testing (Buster) netinstall w/non-free firmware]] from USB
  * Install as usual

===== Post install =====

  * Sound:
    * Install ''firmware-intel-sound''
    * Copy {{wiki:usr-share-alsa-ucm-chtrt5650.zip|HiFi.con and chtrt5650.conf}} from Gallium OS 3.0 to ''/usr/share/alsa/ucm/chtrt5650/''
  * Bluetooth:
    * Install ''blueman''
  
  

====== References ======

* [[https://github.com/GalliumOS/galliumos-braswell/tree/master/usr/share/alsa/ucm/chtrt5650|chtrt5650 UCM files from Gallium OS 3.0]]