how i can find pin out pleaz help
 

hello
how i can find pin out with multimetre pleaz help

thanks in advance

hello!

1. set multimeter to voltage measuring.
2. power Onphone
3. set one multimeter probe to some grounded phone part
(if you cant find grounded part outside phone- you need to take out small thin wire from negative battery terminal)
4. with second probe touch one by one all phone pins (phone must be powered On)
(to get better result i would advice to set needle on the end of second probe)

memorise pins with voltage between 2,7-2,9volts.
those are tx/rx