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Replicant (operating system)
Replicant (operating system)
Published: 2015/12/09
Channel: Audiopedia
Copperhead OS
Copperhead OS
Published: 2016/08/17
Channel: TWiT Netcast Network
Replicant 4.2 (Android 4.2.2) booting on Alcatel OT-986 (TCL S900)
Replicant 4.2 (Android 4.2.2) booting on Alcatel OT-986 (TCL S900)
Published: 2014/12/21
Channel: Yar Rick's Tech
Установка и обзор Replicant OS на Samsung Galaxy Note II
Установка и обзор Replicant OS на Samsung Galaxy Note II
Published: 2017/09/12
Channel: Revolution Inevitablet
Replicant: software freedom on mobile devices
Replicant: software freedom on mobile devices
Published: 2014/03/21
Channel: Swathanthra Malayalam Computing
How to install Replicant on a Galaxy Tab 2 7.0
How to install Replicant on a Galaxy Tab 2 7.0
Published: 2015/09/21
Channel: tom lukeywood.
Tizen : The Android Killer? - Mobile OS Showdown
Tizen : The Android Killer? - Mobile OS Showdown
Published: 2013/03/23
Channel: Nixie Pixel
Copperhead OS Review - A more secure Android Rom
Copperhead OS Review - A more secure Android Rom
Published: 2016/12/13
Channel: Encrypt-The- Planet
Скачать прошивку для андроид. Безопасность на смартфоне. Replicant, Cyanogenmod, Paranoid android...
Скачать прошивку для андроид. Безопасность на смартфоне. Replicant, Cyanogenmod, Paranoid android...
Published: 2016/07/13
Channel: SunandreaS
The best GNU/Linux distribution for newcomers from Windows
The best GNU/Linux distribution for newcomers from Windows
Published: 2017/05/05
Channel: Chris Were Digital
Replicant - On The Run
Replicant - On The Run
Published: 2016/05/22
Channel: The 80's Emperor
Replicant and SHR running on GTA04
Replicant and SHR running on GTA04
Published: 2014/05/20
Channel: Sebastian Krzyszkowiak
[FOSDEM 2016] The road to liberating software at the lower levels
[FOSDEM 2016] The road to liberating software at the lower levels
Published: 2016/02/08
Channel: Jonas Anton Östman
introducing replicant dream
introducing replicant dream
Published: 2011/09/21
Channel: minchetta
Android part1-32 Replicant
Android part1-32 Replicant
Published: 2017/08/01
Channel: legends school
In water plant operations, SCADA helps keep all systems going with the flow.
In water plant operations, SCADA helps keep all systems going with the flow.
Published: 2016/05/31
Channel: WHCRWA
Unite 2014 - Unity in the wild & ANT AUTOMATION - ReplicAnt VR
Unite 2014 - Unity in the wild & ANT AUTOMATION - ReplicAnt VR
Published: 2017/08/17
Channel: ANTAutomation
TempleOS: Terry Davis "Replicant or Love" 5/23/2017
TempleOS: Terry Davis "Replicant or Love" 5/23/2017
Published: 2017/05/24
Channel: Terry Davis Archive
Haiku: The Operating System
Haiku: The Operating System
Published: 2007/07/24
Channel: Google
118.Replicant
118.Replicant
Published: 2013/05/19
Channel: telco ITcom
Qubes OS ... just another ...
Qubes OS ... just another ...
Published: 2017/09/05
Channel: Jon Bradley
TempleOS: Terry Davis "Tooth Store" 5/23/2017
TempleOS: Terry Davis "Tooth Store" 5/23/2017
Published: 2017/05/24
Channel: Terry Davis Archive
Android livre na Prática instalando o Replicant
Android livre na Prática instalando o Replicant
Published: 2016/07/19
Channel: lpj info
F-Secure Safe Review
F-Secure Safe Review
Published: 2017/10/06
Channel: Malware Geek
Paul Kocialkowski - Replicant : appareils mobiles, logiciels libres et vie privée
Paul Kocialkowski - Replicant : appareils mobiles, logiciels libres et vie privée
Published: 2016/07/07
Channel: PSES
SHOW-AND-TELL LIVE VIDEO! 9/20/17 (video) @adafruit #adafruit
SHOW-AND-TELL LIVE VIDEO! 9/20/17 (video) @adafruit #adafruit
Published: 2017/09/20
Channel: Adafruit Industries
OHSW14 - Android/Replicant on GTA04
OHSW14 - Android/Replicant on GTA04
Published: 2014/11/29
Channel: OHSW Munich
Basics of SCADA Systems | Popular SCADA Videos
Basics of SCADA Systems | Popular SCADA Videos
Published: 2014/12/28
Channel: Cube Gyan
Operator Training System: Process Plant INNOVATION for You !
Operator Training System: Process Plant INNOVATION for You !
Published: 2016/06/06
Channel: Yokogawa: Industrial Automation
ICAPS 2015: "ROSPlan: Planning in the Robot Operating System"
ICAPS 2015: "ROSPlan: Planning in the Robot Operating System"
Published: 2016/03/06
Channel: ICAPS
Replicant Stable Marshmallow Rom Based on LineageOS for Huawei Honor Holly [Honor 3C Lite] [Hol-U19]
Replicant Stable Marshmallow Rom Based on LineageOS for Huawei Honor Holly [Honor 3C Lite] [Hol-U19]
Published: 2017/05/23
Channel: Tech Buff
Trump’s Machiavellian Tomahawk Kabuki Theatre
Trump’s Machiavellian Tomahawk Kabuki Theatre
Published: 2017/04/08
Channel: Black Pigeon Speaks
Research issues : About a Replicant Night (Do androids dream of electric sheep?)
Research issues : About a Replicant Night (Do androids dream of electric sheep?)
Published: 2012/06/30
Channel: tissuepaper9
Spaces Management and Sharing Silent OS 3
Spaces Management and Sharing Silent OS 3
Published: 2016/06/30
Channel: Silent Circle
CopperheadOS (partie 1) - Un téléphone résistant à l
CopperheadOS (partie 1) - Un téléphone résistant à l'espionnage
Published: 2017/03/12
Channel: Paf LeGeek
Dual QtMoko and Replicant on GTA04
Dual QtMoko and Replicant on GTA04
Published: 2013/03/27
Channel: Radek Polak
Indus Operating System!! The Indian IOS
Indus Operating System!! The Indian IOS
Published: 2016/07/08
Channel: Tech Know
Top Android Custom ROMS Websites
Top Android Custom ROMS Websites
Published: 2016/04/18
Channel: Gyaan With Anand Nayyar
Taking a look at Rebellin Linux (MATE Edition) - GNU/Linux distribution review
Taking a look at Rebellin Linux (MATE Edition) - GNU/Linux distribution review
Published: 2017/02/25
Channel: Chris Were Digital
Replicant vs Garrosh 25m
Replicant vs Garrosh 25m
Published: 2013/09/16
Channel: SiNi
Nier Replicant in GALAXY S3
Nier Replicant in GALAXY S3
Published: 2012/07/21
Channel: Peipei Liao
TempleOS: Terry Davis "Mountain Eye" 5/25/2017
TempleOS: Terry Davis "Mountain Eye" 5/25/2017
Published: 2017/05/25
Channel: Terry Davis Archive
How To Instal Lineage Os on Redmi Note 4 Snapdragon Detailed Guide.
How To Instal Lineage Os on Redmi Note 4 Snapdragon Detailed Guide.
Published: 2017/02/11
Channel: Smartphone 2torials
Starcraft II - Custom Campaign: Replicant - Mission 8: Empire Rises
Starcraft II - Custom Campaign: Replicant - Mission 8: Empire Rises
Published: 2016/08/25
Channel: MasterKD
TempleOS: Terry Davis "Not Today 2" 5/24/2017
TempleOS: Terry Davis "Not Today 2" 5/24/2017
Published: 2017/05/24
Channel: Terry Davis Archive
2B
2B's Mech Suit from NieR: Automata recreated in Empyrion - Galactic Survival
Published: 2017/07/09
Channel: ijirving
Add Demo3D Mobile Operators to your Automated System Presentations
Add Demo3D Mobile Operators to your Automated System Presentations
Published: 2013/06/28
Channel: Emulate3D - Industrial Controls Testing, Simulation and Demonstration
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▶︎Como Instalar Remix OS para PC excelente Experiencia de Android para PC ◀︎Denek32
Published: 2016/01/14
Channel: Denek32
Android-Version Replicant - 100% freie Software und Schutz der Privatsphäre
Android-Version Replicant - 100% freie Software und Schutz der Privatsphäre
Published: 2013/08/02
Channel: HardwareNews2013
GTA04/Debian finger-friendly UI experiment
GTA04/Debian finger-friendly UI experiment
Published: 2011/11/13
Channel: Neil Jerram
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WIKIPEDIA ARTICLE

From Wikipedia, the free encyclopedia
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Replicant
Replicant logo
Developer Paul Kocialkowski[1]
OS family Unix-like
Working state Current
Source model Free software
Initial release Mid-2010; 7 years ago (2010)
Latest release 6.0[2] (May 13, 2017; 5 months ago (2017-05-13)) [±]
Package manager APK
Kernel type Monolithic (Linux)
Userland Bionic C library,[3][4] mksh shell,[5] native core utilities with a few from NetBSD[6]
License Apache License 2.0, GNU GPLv2, and various other licenses
Official website www.replicant.us
Replicant 4.0 on the Nexus S
An example of phone information in Replicant, including a brief hardware description

Replicant is a free and open-source operating system (OS) based on the Android mobile platform and aims to replace all proprietary Android components with free-software counterparts.[7] It is available for several smartphones and tablet computers.[8] It is written in the same programming languages as Android (as is forked from it, though indirectly), while the modifications are mostly in the C language,[9] as the changes are mostly to the lower-level parts of the OS, such as the Linux kernel and drivers that use it.

The name Replicant is drawn from the fictional replicant androids in the Blade Runner movie.[7] Replicant is sponsored and supported by the Free Software Foundation.[7]

History[edit]

The Replicant project started in mid-2010 with an effort to consolidate various initiatives attempting to produce a fully free-as-in-freedom Android derivative for the HTC Dream. The original team consisted of Bradley M. Kuhn, Aaron Williamson, Graziano Sorbaioli and Denis ‘GNUtoo’ Carikli.[10] The project quickly led to the writing of replacement code for the non-free parts that were required to make the HTC Dream functional. The first component to be replaced permitted audio to work without a proprietary library. Replicant originally provided its own FOSS application repository, which was later replaced by F-Droid.[11][12][self-published source][13][self-published source]

The Radio Interface Layer, software that handles communication with the modem, was replaced by free code, thus making the telephony part usable. A library handling the GPS was then adapted from free code that was originally written for another phone and permitted the HTC Dream to have GPS working with Replicant.[13][self-published source]

Early versions of Replicant were based on the Android Open Source Project code, while versions 2.2 (April 2011) and later used CyanogenMod as their base, in order to make supporting more devices easier.[14][15] In a blog post on February 1, 2017, the Replicant project said the future versions of Replicant will be based on LineageOS, as the CyanogenMod project was discontinued.[16]

As development continued, many members of the original Replicant team retired from the project, making Denis "GNUtoo" Carikli the only remaining member from the original team still actively working on the project. In April 2011, Paul Kocialkowski decided to get involved with the project and gradually became the main Replicant developer, after successfully porting it to the Nexus S and Galaxy S devices.[1][17]

Replicant is sponsored and supported by the Free Software Foundation,[7] which also hosts Replicant's source code.[18]

Releases[edit]

The following table lists major releases of Replicant:

Version Release date Based on Notes
Old version, no longer supported: 2.2[19] 26 April 2011 N/A N/A
Old version, no longer supported: 4.0 16 November 2012 Android 4.0 "Ice Cream Sandwich" Five updates have been released; the last one, 0005, was released on October 1, 2013.[20]
Older version, yet still supported: 4.2[21][22] 2 September 2015 CyanogenMod 10.1, based on Android 4.2 "Jelly Bean" Four updates have been released; the most recent one, 0004, was released on September 2, 2015.[2]
Current stable version: 6.0 13 May 2017[23] CyanogenMod 13.0,[24] based on Android Marshmallow/AOSP 6.0.x [25]
Legend:
Old version
Older version, still supported
Latest version
Latest preview version
Future release

Security[edit]

In March 2014, Replicant developers found and closed a vulnerability present in a wide range of Samsung Galaxy products that allowed the baseband processor to read and write the device's storage,[26] sometimes with normal user privileges and sometimes as the root user depending on device model. Replicant's lead developer Paul Kocialkowski claimed it was a backdoor,[26][27] but this was contested by Dan Rosenberg, a senior security researcher at Azimuth Security, who said there was "virtually no evidence for the ability to remotely execute this functionality".[28]

Development[edit]

On January 3, 2013, the project released Replicant 4.0 SDK as a fully libre replacement to Android SDK.[29] The Replicant SDK was released in response to Google updating the license for add-ons and binaries under a proprietary agreement.[30] Replicant's SDK was discontinued on April 28, 2017 in favour of the free SDK packaged by Debian. [31]

Hardware support[edit]

Supported devices[edit]

Scope of the Replicant project has been gradually expanded to include support for new devices, starting with the Nexus One, Nexus S and Galaxy S. As of January 2014, the following devices are supported, with Wi-Fi and Bluetooth requiring proprietary firmware in order to work:[8]

Device Device Class Codename Replicant version 2D graphics 3D graphics Sound Telephony Mobile Data NFC GPS Sensors Camera Wi-Fi Bluetooth
Nexus S Smartphone crespo 4.2 Yes No Yes Yes Yes Proprietary[32]
free userspace
No Yes Yes Proprietary Proprietary
Samsung Galaxy S Smartphone galaxysmtd 4.2 Yes No Yes Yes Yes N/A No Yes Yes Proprietary Proprietary
Samsung Galaxy S2 Smartphone galaxys2 6.0 Yes (fast) No Yes Yes Yes No No Yes Yes Proprietary Proprietary
Samsung Galaxy Note (original) Smartphone n7000 4.2 Yes (slow) No Yes Yes Yes No No Yes No Proprietary Proprietary
Galaxy Nexus Smartphone maguro 4.2 Yes No Yes Yes Yes Yes No Yes No Proprietary Proprietary
Samsung Galaxy Tab 2 (7.0) Tablet p3100 4.2 Yes (fast) No Yes Yes Yes N/A No Yes No Proprietary Proprietary
Samsung Galaxy Tab 2 (10.1) Tablet p5100 4.2 Yes (slow) No Yes Yes Yes N/A No Yes No Proprietary Proprietary
Samsung Galaxy S3 Smartphone i9300 6.0 Yes No Yes Yes Yes Yes No Yes Yes (back) / proprietary (front) Proprietary Proprietary
Samsung Galaxy Note 2 Smartphone n7100 6.0 Yes No Yes Yes Yes Yes No Yes Yes (back) / proprietary (front) Proprietary Proprietary
Goldelico OpenPhoenux GTA04 Smartphone gta04 4.2 Yes No Yes Work in progress Work in progress N/A Yes Work in progress Work in progress Proprietary Proprietary

Likely additions[edit]

Additional target devices are evaluated, based on the suitability of their hardware platforms and required device drivers; as of January 2014, devices listed below are not yet supported, and porting Replicant to them is only in consideration.[33]

Device Codename Replicant Version
Nexus 10 manta 4.2

In November 2013, it was announced that Replicant could work on a Fairphone device and that the bootloaders may even be free software. The Fairphone team seemed "definitely interested" in helping to get Replicant ported to the device.[34] In December 2014, Fairphone admitted that it had failed to convince chipset vendor MediaTek to open up the source code for first-generation Fairphones.[35]

Rejected devices[edit]

Based on either the unsuitability of their hardware platforms or the lack of available free software drivers, porting Replicant to the devices listed below has been considered and rejected.[33]

Device Possibility Reason
Galaxy Tab 8.9 Unlikely Tegra slowness
Nexus 7 (all versions) Possible but unlikely Too many proprietary drivers[36]
Nexus 4 Very unlikely Too many proprietary drivers
Motorola Defy Impossible Kernel is signed

See also[edit]

References[edit]

  1. ^ a b "People - Replicant". Redmine.replicant.us. Retrieved 2013-09-30. 
  2. ^ a b Wolfgang Wiedmeyer (13 May 2017). "Replicant 6.0 released". replicant.us. Retrieved 15 May 2017. 
  3. ^ "Replicant". replicant.us. 
  4. ^ "android/platform/bionic/". 
  5. ^ "android/platform/external/mksh/". 
  6. ^ "android/platform/system/core/toolbox/". 
  7. ^ a b c d McAllister, Neil (26 July 2013). "FSF passes collection plate for free Android clone Replicant". The Register. Retrieved 23 January 2014. 
  8. ^ a b "Replicant Status". redmine.replicant.us. Retrieved 2015-03-28. 
  9. ^ "Replicant Developer's Guide". Replicant Wiki. Retrieved 18 January 2016. 
  10. ^ "Replicant: distribution Android 100% libre". LinuxFr.org. September 20, 2010. Retrieved 2013-09-30. 
  11. ^ Puttergill, Rowan (3 October 2011). "Replicant: Making Android truly free". Memeburn. Burn Media. 
  12. ^ Currie, Andrew (24 August 2011). "F-Droid, the Android app store for freedom beards. | Open attitude". Open attitude. (Blog). Retrieved 2013-09-30. 
  13. ^ a b Par aKa (10 October 2011). "Le projet Replicant ou Android totalement libre présenté par PaulK". Framablog. Retrieved 2013-09-30. 
  14. ^ Manuel Jose (July 2013). "A Fully Free Android based Mobile OS? FSF is Aiming for the Skies with Replicant Project". techdrivein.com. Retrieved 2014-01-02. 
  15. ^ Rohan Pearce (March 10, 2012). "Replicant developer interview - Building a truly free Android". techworld.com. Retrieved 2014-01-02. 
  16. ^ "Replicant 6.0 development updates | Replicant". blog.replicant.us. Retrieved 2017-02-20. 
  17. ^ "Replicant developer interview - Building a truly free Android - Interview - Techworld.com". Features.techworld.com. Retrieved 2013-09-30. 
  18. ^ Kocialkowski, Paul (July 1, 2015). "Replicant source code hosting and RMLL 2015". Replicant. 
  19. ^ "Replicant 2.2 SDK Available". Replicant. 26 April 2011. Retrieved 25 January 2014. 
  20. ^ Paul Kocialkowski (1 October 2013). "Replicant 4.0 0005 images release". Replicant. Retrieved 2013-10-23. 
  21. ^ "Replicant". replicant.us. 
  22. ^ Paul Kocialkowski (2 September 2015). "Replicant 4.2 kicks out!". Replicant. Retrieved 24 January 2015. 
  23. ^ "Replicant 6.0 released | Replicant". blog.replicant.us. Retrieved 2017-05-15. 
  24. ^ "Replicant 6.0, at least for the Samsung Galaxy S3". Retrieved 6 September 2016. SELinux is running in enforcing mode (also in recovery mode).[..] I was able to get the Samsung-RIL and libsamsung-ipc code updated. [..] Compiled images if you can't or don't want to build it yourself (build date: 25.3.16) [..] replicant-6.0.zip 
  25. ^ "Replicant 6.0 early work, upstream work and F-Droid issue Replicant". replicant.us. 8 August 2016. At Replicant, things are moving again: Replicant is being updated from Android 4.2 to Android 6.0 by Wolfgang Wiedmeyer. [..] This work is currently being done for the Galaxy S 3 (I9300). 
  26. ^ a b Kocialkowski, Paul (12 March 2014). "Replicant developers find and close Samsung Galaxy backdoor". FSF's blog. Free Software Foundation. Retrieved 19 September 2014. 
  27. ^ Paul Kocialkowski. "Samsung Galaxy Back-door". Replicant Wiki. Retrieved 5 July 2014. 
  28. ^ Goodin, Dan (14 March 2016). ""Virtually no evidence" for claim of remote backdoor in Samsung phones". Ars Technica. Condé Nast. Retrieved 4 September 2016. 
  29. ^ "Replicant 4.0 SDK release | Replicant project". Replicant.us. January 3, 2013. Retrieved 2013-09-30. 
  30. ^ "What's up with the Android SDK? - Paul Kocialkowski's coding blog". Code.paulk.fr. January 5, 2013. Retrieved 2013-09-30. 
  31. ^ "There won’t be a Replicant 6.0 SDK because there is already something better". Replicant.us. April 28, 2017. Retrieved 2017-05-06. 
  32. ^ "Nexus S (I902x)". free userspace, proprietary loaded firmware 
  33. ^ a b "Targets Evaluation". Replicant. Retrieved 2014-01-02. 
  34. ^ About the Fairphone, in the official Replicant blog.
  35. ^ Our approach to software and ongoing support for the first Fairphones, in the official Fairphone blog.
  36. ^ "Nexus 7 2013? - Replicant". replicant.us. 

External links[edit]

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