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NexusSGTI902x » History » Version 42

Paul Kocialkowski, 07/21/2013 10:44 AM

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h1. Nexus S
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{{>toc}}
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|/11. !nexuss.png! | *Device* | Nexus S |
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| *Manufacturer* | Google/Samsung |
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| *Codename* | @crespo@ |
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| *Ships with root* | No |
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| *Root possible* | Yes, bootloader is easy to unlock |
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| *SIM Unlocked* | Possible |
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| *In production* | Yes |
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| *Replicant status* | Supported, GSM flavors (I9020, I9020A, I9023) |
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| *Developers involved* | [[People|PaulK]] |
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| *Replicant version* | Replicant 4.0 |
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| *Last image* | [[/ReplicantImages#Replicant-40-0003-images|Replicant 4.0 0003]] |
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h2. Replicant status
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Replicant status on Nexus S: [[ReplicantStatus#Replicant-40|ReplicantStatus]]
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Known freedom issues:
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* Proprietary and likely signed bootloader
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* Modem, WiFi, 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: [[FastbootInstallation]]
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h2. Build guide
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Build guide for the Nexus S: [[NexusSBuild]]
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h2. Technical infos
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* List of the proprietary software shipped on the Nexus S: [[NexusSProprietary]]
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* List of the Nexus S firmwares: [[NexusSFirmwares]]
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* Details about the S5PC110 Hardware design used in the Nexus S: [[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 | XMM 6160 | "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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| WiFi | BCM4329 | Linux kernel | implemented in WiFi 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 |