NexusSGTI902x » History » Revision 32

« Previous | Revision 32/83 (diff) | Next »
Paul Kocialkowski, 11/16/2012 03:22 PM

Nexus S¶

	Device	Nexus S
	Manufacturer	Google/Samsung
	Codename	`crespo`
	Ships with root	No
	Root possible	Yes, bootloader is easy to unlock
	SIM Unlocked	Possible
	In production	Yes
	Replicant status	Supported, GSM flavour
	Developers involved	PaulK
	Replicant version	Replicant 4.0
	Last image	Replicant 4.0 0001

Replicant status on Nexus S: ReplicantStatus

Known freedom issues:

Proprietary bootloader
Modem firmware is non-free and there is no free alternative
Modem could spy on the main CPU, the issue is beeing investigated in the SamsungModemIssues page

Installation guide for the Nexus S: FastbootInstallation

Build guide for the Nexus S: NexusSBuild

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 S5PC110TechnicalOverview
For Documentation on the preliminary work for freeing its bootloader: S5PC110Bootloader
Status of the free software that talks to the Samsung modems : SamsungModems
Status of the work on the Nexus S GPS chip: Broadcom4751GPS

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	?

Files (1)

Also available in: PDF HTML TXT