h1. Nexus S (I902x)

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|/8. !crespo.png! | *Device* | Nexus S (I902x) |
| *Manufacturer* | Google/Samsung |
| *Release date* | December 2010 |
| *Codename* | @crespo@ |
| *Status* | Maintained |
| *Maintainer(s)* | [[People|Paul Kocialkowski]] |
| *Supported models* | GSM: I9020, I9020A, I9023 |
| *Latest images* | [[ReplicantImages#Replicant-42-0003-images|Replicant 4.2 0003]] |

h2. Replicant status

Replicant status for the Nexus S (I902x): [[ReplicantStatus#Replicant-42|ReplicantStatus Replicant 4.2]]

h2. Replicant installation

Replicant installation for the Nexus S (I902x): [[NexusSI902xInstallation]]

h2. Replicant usage

* Nexus S (I902x) compass calibration: [[NexusSI902xCompassCalibration]]

h2. Replicant build

Replicant build for the Nexus S (I902x): [[NexusSI902xBuild]]

h2. Replicant development

* Nexus S (I902x) UART: [[NexusSI902xUART]]

h2. Freedom and privacy/security issues

Freedom issues on the Nexus S (I902x):
* Proprietary hardware
* Proprietary firmwares, some of which have to be loaded by the system:  [[NexusSI902xLoadedFirmwares]]
* Proprietary modem system
* Proprietary bootrom
* Proprietary and signed bootloader: [[NexusSI902xBootloader]]

Privacy/security issues on the Nexus S (I902x): [[NexusSI902xPrivacySecurityIssues]]

h2. Research

h3. Hardware table

|_. Component |_. Name |_. Status |_. Documentation |
| SoC | Samsung S5PC110/S5PV210 | Linux kernel support | |
| GPU | Imagination Technologies PowerVR SGX540 | Linux kernel support, proprietary userspace | |
| Audio Codec | Wolfson WM8994 | Linux kernel support (ALSA), free userspace | "WM8994_Rev3.0.pdf":https://mr2857gb.googlecode.com/svn/trunk/data%20sheet/codec/WM8994_Rev3.0.pdf |
| Modem | Intel XMM6160 | Free userspace implementation: [[Samsung-RIL]]/[[libsamsung-ipc]] | "mobile-xmm-6160-brief.pdf":http://www.intel.com/content/dam/www/public/us/en/documents/platform-briefs/mobile-xmm-6160-brief.pdf |
| Wi-Fi | Broadcom BCM4329 | Linux kernel support, proprietary loaded firmware | |
| Bluetooth | Broadcom BCM4329 | Linux kernel support, proprietary loaded firmware | |
| NFC | NXP PN544 | Linux kernel support, free userspace, proprietary loaded firmware | "75016890.pdf":http://www.nxp.com/documents/leaflet/75016890.pdf |
| GPS | Broadcom BCM4751 | Proprietary userspace, proprietary loaded firmware, no free implementation: [[BCM4751]] | "BCM4751":http://www.broadcom.com/products/GPS/GPS-Silicon-Solutions/BCM4751 |
| Accelerometer | STMicroelectronics KR3DM | Linux kernel support, free userspace | |
| Compass | Asahi Kasei AKM8973 | Linux kernel support, free userspace | "AK8973.pdf":http://www.droid-developers.org/images/b/b2/AK8973.pdf |
| Gyroscope | STMicroelectronics K3G | Linux kernel support, free userspace | |
| Light | Sharp GP2A | Linux kernel support, free userspace | |
| Proximity | Sharp GP2A | Linux kernel support, free userspace | |
| Camera (back) | Samsung S5K4ECGX | Linux kernel support, free userspace | |
| Camera (front) | Samsung S5KA3DFX | Linux kernel support, free userspace | |
| Touchscreen | Atmel MXT224 | Linux kernel support | |
| Display | NT35580/TL2796 | Linux kernel support | |

h3. References

* Nexus S (I902x) Service Manual and Schematics: http://mobilcoms.ru/load/1-1-0-4499
* S5PC110 User Manual: http://dl.project-voodoo.org/documentation/S5PC110_EVT1_UM10.pdf

*These documents are the propriety of Samsung Electronics and are not hosted by the Replicant project.*