i need pinout n81 dual sim. - GSM-Forum

bsat · 02-03-2010, 17:31

i need pinout n81 dual sim.

connector 20 pin.
pin 1/2/3 gnd
pin 14 vbat.
thx for all

InfinityHelp · 02-03-2010, 21:51

hello!

lets start from checking what CPU it is based.
you either can do this by disassembling phone or by typing *#0044# and pressing green (send) button.
if you will see "language set: english"- you can be sure, that this phone is supported by Infintiy software
If it does supported, and you dont have infinity Pinfinder- i can teach how to find pinout in minutes.
Just by measuring voltage on phone system connector pins.

bsat · 02-04-2010, 00:17

yes language st englesh after the code.
thx for all

InfinityHelp · 02-04-2010, 19:36

hello!

have you managed to find pinout?

bsat · 02-04-2010, 20:54

no dear.
mt6225a
0821agalktgz1815.

i need pin out

InfinityHelp · 02-05-2010, 20:01

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

02-03-2010, 17:31	#1 (permalink)
bsat No Life Poster Join Date: Oct 2005 Location: THE END Age: 40 Posts: 564 Member: 195225 Status: Offline Thanks Meter: 94	i need pinout n81 dual sim. i need pinout n81 dual sim. connector 20 pin. pin 1/2/3 gnd pin 14 vbat. thx for all

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02-03-2010, 21:51	#2 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	hello! lets start from checking what CPU it is based. you either can do this by disassembling phone or by typing *#0044# and pressing green (send) button. if you will see "language set: english"- you can be sure, that this phone is supported by Infintiy software If it does supported, and you dont have infinity Pinfinder- i can teach how to find pinout in minutes. Just by measuring voltage on phone system connector pins.

02-04-2010, 00:17	#3 (permalink)
bsat No Life Poster Join Date: Oct 2005 Location: THE END Age: 40 Posts: 564 Member: 195225 Status: Offline Thanks Meter: 94	yes language st englesh after the code. thx for all

02-04-2010, 19:36	#4 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	hello! have you managed to find pinout?

02-04-2010, 20:54	#5 (permalink)
bsat No Life Poster Join Date: Oct 2005 Location: THE END Age: 40 Posts: 564 Member: 195225 Status: Offline Thanks Meter: 94	no dear. mt6225a 0821agalktgz1815. i need pin out

02-05-2010, 20:01	#6 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	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