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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Chinese Models & Cloned Phones

Chinese Models & Cloned Phones All China Phone Platforms like (MTK, Spreadtrum.. etc.) Cloned Nokia Nokla & Motorola . etc. Phones are included

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Old 12-02-2010, 13:12   #1 (permalink)
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Brazilian ChinaPhone Dead Help Needed Please!

How u doing guys? fine?

I say thanks for everyone, before start.

My chinaphone was dead by this reason:
*In Engineer mode i was turn on the High Speed option..

the usb cable is marked with K930; "i think this means to be the model"

there is a curious thing: chinaphone works on directly USB plugged, works like Mass Storage, but the phone don't let me choose if i want: Serial Device / Mass Storage or Photo bridge;

I know that the OS is Nucleus RTOS;

this is the phone:

Usb cable "phone side",

another curious thing is: when is plugged in on USB as Mass Storage, two devices appears, a 264kb device and the Micro-SD card.

I want to do a direclty serial cable with an USB extention.
there is a correctly pinout for this device?

[Usb in "usb extention"] -> [DB9]

im using Ubuntu 10.10 Maverick Meerkat Linux
running Spiderman and others chinese softwares with wine;
works 100% with phone, no driver needed;

soo, i'm with a crazy idea: the Nucleus RTOS have a C/C++ compiler embedded, so if whe modify the kernel to "on boot event" call the compiler and build symbian or some android located in SD-Card and run it?
[Like ms-dos runs windows]

The EDA Technology Leader - Mentor Graphics -> Nucleus RTOS developer
and there is another: ARM Linux
i found something on net: hahahaha Hack-China / this is part of Maui Project

Symbian, Android and this arm-linux based runs in arm processors
MTK6225 is a arm7 processor.
maybe i'm right?! or not? think about

First i need to get the phone working! soo i will start to develop something... researched alot before the phone dies... and i say this is a posible way

sorry for bad english

Best regards


Last edited by mauricioscotton; 12-02-2010 at 13:20.
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Old 12-02-2010, 13:29   #2 (permalink)
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I found this at russian forum:
Pinout LeTo K930 20-pin connector. Connector as in Samsung D880 (need to buy a cable from the Samsung). Numbering, if you look in the phone jack. In the lace of course, vice versa.

9 mic
10 left
11 right
12 GND
13 Rx
14 Tx
16 V BAT constantly
17 D +
18 D-
19 GND
20 USB +5 V

A leg PL2303 tx to 14 Pina in the slot telephone
5 foot to 13 PL2303 rx Pina in the slot telephone
7 foot PL2303 gnd to 12 or to 19 Pina in the slot telephone
link: Распиновки на китайские телефоны - Страница 6 - Российский GSM Форум - GSMForum.SU

Help-me build the cable

thanks for advice
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Old 12-02-2010, 19:55   #3 (permalink)
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does anybody have some idea? another detail, maybe can i use a RS232 to Usb Adapter. this adapters uses 5v from USB, maybe can i connect pins directly to adapter output?
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Old 12-06-2010, 13:23   #4 (permalink)
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Found this information at russian website:
K930 -
has information of pinout RX and TX, firmware version.
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