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开发者_JS百科 Improve this questionThis question is about low end mobile phones which cost around $50 to $100, unlike Smart Phones like iPhone or the ones that support Android.
Nokia 1280, 1800 are some examples.
I want to customize the basic features such as Contacts, SMS in such a phone. So I either want a open source code of its firmware that is compatible with one or more of such phones, or I would like to know of a vendor who could sell a cell phone within this cost range along with the source code of the firmware?
Do these phones have any OS running in them? Or just a single threaded firmware program?
The most advanced project in this field is OsmocomBB.
Granted, finding the proper hardware is not easy, though not impossible.
I wish there were such a phone. As far as I can tell, no major phone manufacturer provides either the source for their firmware or the specs that you would need to write your own. I think your best bet would be to take a look at open moko: http://wiki.openmoko.org/wiki/Neo_FreeRunner_GTA02_Hardware
The freerunner is a smartphone that runs at about 400$ Since the full hardware spec is available here: http://wiki.openmoko.org/wiki/Neo_FreeRunner_GTA02_Hardware I think it may be possible to omit many of the parts that drive up the price, and make a derivative design that is simpler and cheaper. eg, drop the wifi, gps, bluetooth, usb, and accelerometer. However, I am not a computer engineer, so I'm not sure how difficult that would be, or if it would even be cheaper.
ref: Custom Phone Firmware
I (think) get something intersanting for you: motorola on sourcefroge
or go to the page of the os
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