Tehnoetic S3 phone with Replicant

Tehnoetic S3 phone with Replicant
Item Code: TET-S3
Availability: In Stock
Shipping: Worldwide (Priority Air Mail)
Estimated Delivery Time: 7-9 business days.
Warranty: 12 months
Price: €298
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We strive to offer our customers the best possible quality for the Tehnoetic refurbished phones. We select screen-protected second-hand phones used with care by their previous owners whom we meet personally. We make sure all hardware is working, we replace the batteries, we replace the scratched plastic parts and we test how Replicant performs.

Tehnoetic S3 smartphones are refurbished Samsung Galaxy S3's pre-installed with the 100% free operating system Replicant. Please note that while the main processor is running only free software, the modem processor is running a Samsung nonfree system.

In 2014, Replicant developers have found a modem backdoor in the Android systems of several Replicant-supported devices, including the S3, and have successfully closed it in Replicant. Additionally, the phone has a read-only nonfree boot rom, which loads a nonfree bootloader. The bootloader is not part of the Replicant system, but it is responsible with loading Replicant. We are telling you this so that before buying the product, you are aware there is also nonfree software running on the Tehnoetic S3, which doesn't respect your freedom and it might not respect your privacy either. For now, we can't offer a full stack freedom-respecting smartphone, but we're joining the efforts.

Also, Wi-Fi and Bluetooth don't work. We recommend purchasing the FSF-endorsed Tehnoetic N150 Wi-Fi adapter and use it with an OTG cable for your Tehnoetic S3 phone, because soon it will  be supported by default in Replicant. For now, it works when you configure it from the command line - see the tutorial. And a mobile data connection would be useful in areas not covered by Wi-Fi networks. We are working to add support for our Tehnoetic Nano Bluetooth 4.0 adapter too.

Tehnoetic S3 is confirmed to be less supported by Replicant (slightly slower and less stable) than Tehnoetic S2. For the complete list of hardware components unsupported in the operating system, please refer to the Specification tab.

Replicant is a completely free operating system based on CyanogenMod/Android, following the GNU FSDG and thus endorsed by free software organizations (FSF, FSFE, Ceata, etc). Replicant has its own modem communication layer, nonfree firmware removed, nonfree libraries removed/replaced and nonfree applications replaced by free ones in the F-Droid repository. For you convenience, Replicant recovery image comes pre-flashed on the Tehnoetic S3. This also enables you to easily upgrade to a newer version of Replicant.

Tehonetic donates 10% of the sale profits of this phone to Replicant. We list the donations on the page Tehnoetic donations.

Hardware support in the operating system
Operating system Replicant 4.2 0004
Telephony Works
Cameras Photography only, video recording doesn't work. Back camera works, front camera doesn't.
Sensors Work
Audio Works (headphones in jack, loudspeaker), except through Bluetooth and USB connections
Video Doesn't work
2G/3G data Works
Radio FM Works
2D graphics Works
3D graphics Don't work with free software
Wi-Fi Doesn't work with free software (works with Tehnoetic N150 Wi-Fi adapter - see the tutorial)
Bluetooth Doesn't work with free software
NFC Should work, but it doesn't yet (tested with Beam).
GPS Doesn't work with free software
Hardware media codec Doesn't work with free software
Official page https://redmine.replicant.us/projects/replicant/wiki/GalaxyS3I9300
Dimensions 136.6 x 70.6 x 8.6 mm (5.38 x 2.78 x 0.34 in)
Weight 133 g (4.69 oz)
SIM Micro-SIM, GSM only (CDMA is not supported)
Display Super AMOLED capacitive touchscreen, 16M colors, 4.8 inches in size, resolution 720 x 1280, multitouch
Main Processor Quad-core 1.4 GHz Cortex-A9
Memory 1 GB RAM, 16 GB internal storage, microSD up to 64 GB
Camera Back 8 MP, 3264 x 2448 px, f/2.6, autofocus, LED flash; Front 1.9 MP
Audio 3.5mm TRRS jack
Radio Stereo FM radio with RDS
Sensors Accelerometer, gyro, proximity, compass, barometer
Battery Li-Ion 2100 mAh battery

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Tehnoetic 2017 licensed under CC BY-SA 4.0