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Paul Kocialkowski, 02/15/2013 06:17 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 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
- Modem could spy on the main CPU, the issue is beeing investigated in the SamsungModemIssues page
Installation guide¶
Installation guide for the Nexus S: FastbootInstallation
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 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
Hardware table¶
| Component | Name | Source | Protocol/implementation | Documentation |
|---|---|---|---|---|
| SoC | Samsung S5PC110/S5PV210 | Linux kernel | Linux kernel | ? |
| GPU | PowerVR SGX540 | https://secure.wikimedia.org/wikipedia/en/wiki/Exynos | Linux kernel and secret userspace | ? |
| Audio Codec | WM8994 | Linux kernel | Linux kernel ALSA driver | ? |
| Modem | X-Gold 616 | iFixit | Secret protocol: Samsung-IPC, implemented in libsamsung-ipc and samsung-ril | ? |
| WiFi | BCM4329 | Linux kernel | implemented in WiFi driver | ? |
| Bluetooth | BCM4329 | Linux kernel | implemented in Bluetooth driver | ? |
| NFC | PN544 | Linux kernel | Linux kernel | ? |
| GPS | BCM4751 | http://www.zdnet.com/photos/google-nexus-s-teardown/6189263?seq=59 | MEIF, Unknown | ? |
| Accelerometer | KR3DM | Linux kernel | Linux kernel, Samsung-Sensors | ? |
| Compass | AKM8973 | Kernel sources | Linux kernel, secret userspace | ? |
| Camera | S5KA3DFX/S5K4ECGX | Linux kernel | Linux kernel, FIMC, V4l2 | ? |
Updated by Paul Kocialkowski about 12 years ago · 34 revisions