Problem with Tecno X200
 

______________
/ 1 2 3 4 5 6 7 8 \
------------------

keyboard top
1: Gnd
2: Tx
3: Rx
4: USB D-
5: USB D+
6: +Vcc
7: +Vcc
8:

what cable for this phone? COM or USB, I make com cable - don't work, usb - don't work, com+usb - some. May be wrong pinout?

It's need to use COM pport cable.
If this pinout not works for your phone, please, check this:
http://forum.gsmhosting.com/vbb/show...36&postcount=7

here is working pinout
_________________
/ 1 2 3 4 5 6 7 8 \
-------------------
keyboard top
1:
2:
3: Tx
4: Rx
5: Gnd
6:
7:
8: :D

with this pinout serial cable some not work!!!

hello!
2 Viking

please check with multimeter where is GND

The malicious client has taken away phone, but like 1 contact the GND

hello!

then it looks like first pinout posted in this topic.
maybe tx<>rx must be changed with places

"maybe tx<>rx must be changed with places" - ;) first my step