NexusSGTI902x » History » Revision 55
Revision 54 (Paul Kocialkowski, 07/08/2014 02:04 PM) → Revision 55/83 (Paul Kocialkowski, 09/07/2014 09:57 AM)
h1. Nexus S (I902x)
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|/7. |/11. !nexuss.png! | *Device* | Nexus S (I902x) |
| *Manufacturer* | Google/Samsung |
| *Release date* *Codename* | December 2010 @crespo@ |
| *Codename* *Ships with root* | @crespo@ No |
| *Supported flavors* *Root possible* | GSM: I9020, Yes, bootloader is easy to unlock |
| *SIM Unlocked* | Possible |
| *In production* | Yes |
| *Replicant status* | Supported, GSM flavors (I9020, I9020A, I9023 I9023) |
| *Developers involved* | [[People|PaulK]] |
| *Latest *Replicant version* | Replicant 4.2 |
| *Last image* | [[/ReplicantImages#Replicant-42-0002-images|Replicant 4.2 0002]] |
h2. Replicant status
Replicant status for the Nexus S (I902x): [[ReplicantStatus#Replicant-42|ReplicantStatus]]
Known freedom and security issues:
* Proprietary and likely signed bootloader
* Modem, Wi-Fi, Bluetooth and NFC firmwares are non-free
* Modem can access part of the CPU RAM and could use it to spy
h2. Installation guide
Installation guide for the Nexus S (I902x): [[NexusSI902xInstallation]]
h2. Build guide
Build guide for the Nexus S (I902x): [[NexusSI902xBuild]]
h2. Technical infos
* List of the Nexus S (I902x) firmwares: [[NexusSI902xFirmwares]]
* Nexus S (I902x) compass calibration: [[NexusSI902xCompassCalibration]]
* Details about the S5PC110 Hardware design used in the Nexus S (I902x): [[S5PC110HardwareDesign]]
* For Documentation on the preliminary work for freeing its bootloader: [[S5PC110Bootloader]]
* Status of the Samsung-RIL modem implementation: [[Samsung-RIL]]
* Status of the Broadcom 4751 GPS chip implementation: [[BCM4751]]
h3. Hardware table
|_. Component |_. Name |_. Source |_. Protocol/implementation |
| 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 | XMM6160 | "iFixit":http://www.ifixit.com/Teardown/Nexus-S-Teardown/4365/2#s20143 | Secret protocol: Samsung-IPC, implemented in libsamsung-ipc and samsung-ril |
| Wi-Fi | BCM4329 | Linux kernel | implemented in Wi-Fi 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 |