Nexus S¶

• Table of contents
• Nexus S
  • Replicant status
  • Installation guide
  • Build guide
  • Technical infos
    • Hardware table

	Device	Nexus S
	Manufacturer	Google/Samsung
	Codename	crespo
	Replicant status	Supported
	Developers involved	PaulK
	Replicant version	Replicant 2.3
	Last image	Replicant 2.3 preview 0002

Replicant status¶

Replicant status on Nexus S: ReplicantStatus

Known freedom issues:

• Proprietary bootloader
• Modem firmware is non-free and there is no free alternative
• The modem controls sound, GPS, main CPU memory (read/write)

Installation guide¶

Installation guide for the Nexus S: NexusSInstall

Build guide¶

Build guide for the Nexus S: NexusSBuild

Technical infos¶

• List of the proprietary libraries, binaries and firmwares shipped on the Nexus S and the status of their replacement: NexusSProprietary
• For a technical overview of Nexus S and a rationale explaining what makes it a better freedom-compliant device, see NexusSTechnicalOverview
• For Documentation on the preliminary work for freeing its bootloader: NexusSBootloader
• Status of the free software that talks to the Samsung modems : SamsungModems

Hardware table¶

Component	Name	Source	Known protocol	Documentation
SoC	Samsung S5PC110	Kernel sources	N/A	?
GPU	PowerVR SGX540	https://secure.wikimedia.org/wikipedia/en/wiki/Exynos	Unknown	?
CODEC	WM8994	Kernel sources	implemented in ALSA driver	?
Modem	X-Gold 616	iFixit	Samsung IPC protocol, secret	?
WiFi	BCM4329	Kernel sources	implemented in WiFi driver	?
Bluetooth	BCM4329	Kernel sources	implemented in Bluetooth driver	?
GPS	BCM4751	http://www.zdnet.com/photos/google-nexus-s-teardown/6189263?seq=59	MEIF, Unknown	?
Accelerometer	KR3DM	Kernel sources	data out of the driver is usable	?
Compass	AKM8973	Kernel sources	Unknown	?
Camera	?	implemented in V4L2 driver	?