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NexusSGTI902x » History » Version 55

Paul Kocialkowski, 09/07/2014 09:57 AM

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h1. Nexus S (I902x)
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{{>toc}}
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|/7. !nexuss.png! | *Device* | Nexus S (I902x) |
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| *Manufacturer* | Google/Samsung |
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| *Release date* | December 2010 |
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| *Codename* | @crespo@ |
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| *Supported flavors* | GSM: I9020, I9020A, I9023 |
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| *Developers involved* | [[People|PaulK]] |
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| *Latest image* | [[/ReplicantImages#Replicant-42-0002-images|Replicant 4.2 0002]] |
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h2. Replicant status
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Replicant status for the Nexus S (I902x): [[ReplicantStatus#Replicant-42|ReplicantStatus]]
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Known freedom and security issues:
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* Proprietary and likely signed bootloader
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* Modem, Wi-Fi, Bluetooth and NFC firmwares are non-free
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* Modem can access part of the CPU RAM and could use it to spy
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h2. Installation guide
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Installation guide for the Nexus S (I902x): [[NexusSI902xInstallation]]
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h2. Build guide
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Build guide for the Nexus S (I902x): [[NexusSI902xBuild]]
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h2. Technical infos
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* List of the Nexus S (I902x) firmwares: [[NexusSI902xFirmwares]]
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* Nexus S (I902x) compass calibration: [[NexusSI902xCompassCalibration]]
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* Details about the S5PC110 Hardware design used in the Nexus S (I902x): [[S5PC110HardwareDesign]]
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* For Documentation on the preliminary work for freeing its bootloader: [[S5PC110Bootloader]]
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* Status of the Samsung-RIL modem implementation: [[Samsung-RIL]]
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* Status of the Broadcom 4751 GPS chip implementation: [[BCM4751]]
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h3. Hardware table
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|_. Component |_. Name |_. Source |_. Protocol/implementation |
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| SoC | Samsung S5PC110/S5PV210 | Linux kernel | Linux kernel |
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| GPU | PowerVR SGX540 | https://secure.wikimedia.org/wikipedia/en/wiki/Exynos | Linux kernel and secret userspace |
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| Audio Codec | WM8994 | Linux kernel | Linux kernel ALSA driver |
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| 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 |
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| Wi-Fi | BCM4329 | Linux kernel | implemented in Wi-Fi driver |
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| Bluetooth | BCM4329 | Linux kernel | implemented in Bluetooth driver |
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| NFC | PN544 | Linux kernel | Linux kernel |
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| GPS | BCM4751 | http://www.zdnet.com/photos/google-nexus-s-teardown/6189263?seq=59 | MEIF, Unknown |
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| Accelerometer | KR3DM | Linux kernel | Linux kernel, Samsung-Sensors |
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| Compass | AKM8973 | Kernel sources | Linux kernel, secret userspace |
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| Camera | S5KA3DFX/S5K4ECGX | Linux kernel | Linux kernel, FIMC, V4l2 |