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Old 01-02-2010, 06:07   #1 (permalink)
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G-Tide G28 pinouts needed


Dear friends i have G-tide G28,mtk6225A based two simcard chinese phone.it uses nokia charger and vodafone125(ZTE125) data cable jacks.snap shots are attatched please help me with pinouts for this model,please it is very urgent.thanks in advance.
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Old 01-04-2010, 05:39   #2 (permalink)
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please anybody to help here.i have emailed it to infinityHelp also but no response.please it is very urgent.thanks in advance.
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Old 01-06-2010, 18:25   #3 (permalink)
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Hello,
Did you tried to use this method for pinout detection ?
C:\Program Files\InfinityBox\pinout\ChineseMiracle\_How_to_fi nd_pinout.jpg
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Old 01-06-2010, 18:57   #4 (permalink)
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Its very simple bro...
Try and find...
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Old 01-14-2010, 15:03   #5 (permalink)
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sir i did not get the clue.please if any user had found them already please help me with the diagram.
thanks in advance.
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Old 01-14-2010, 15:39   #6 (permalink)
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Quote:
Originally Posted by Miangee911 View Post
Dear friends i have G-tide G28,mtk6225A based two simcard chinese phone.it uses nokia charger and vodafone125(ZTE125) data cable jacks.snap shots are attatched please help me with pinouts for this model,please it is very urgent.thanks in advance.
my dear use pin finder all will be ok
no tantion
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Old 01-14-2010, 19:34   #7 (permalink)
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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
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Old 01-15-2010, 16:14   #8 (permalink)
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sir i have tried this trick but i am bit confused because i do not see any of the USB unit's pins giving beep with ground when phone is powerd on(i mean Tx as it is mentioned in the chapter "how to find pinouts")i find three pins producing 2.89V when i switched the phone on,one of them is supposed to be Tx(Tx should give a beep with ground when phone is on),but it does not happen.
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Old 01-16-2010, 05:33   #9 (permalink)
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G-Tide G28 pin outs are found.

Guys i have found the pinouts for G-Tide G28,for ease of users a snap shot is attatched.But let expose one fact to all users that it is not necessary in all cases that Tx of the phone should give beep with ground while checking contineuety.like in this case charging unit(USB pin of the G28) does not includes pinouts of the phone,but pin outs are found under the LCD and Tx does not give any beep with ground when i was checking the contineouty while phone was switched on.so that theory can miss guide you guys.anyway good luck to all and thanks to every body who ever gave me some hints to solve this problem.
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Old 01-16-2010, 10:57   #10 (permalink)
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hello!

it is enough to fin pins with voltage 2,7...2,9 volts. no need to check resitance
thank you for sharing this pinout, it will be included to our pinout collection
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