G-Tide G28 pinouts needed - GSM-Forum

Miangee911 · 01-02-2010, 07:07

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.

Miangee911 · 01-04-2010, 06:39

please anybody to help here.i have emailed it to infinityHelp also but no response.please it is very urgent.thanks in advance.

**InfinitySupport** · 01-06-2010, 19:25

Hello,
Did you tried to use this method for pinout detection ?
C:\Program Files\InfinityBox\pinout\ChineseMiracle\_How_to_fi nd_pinout.jpg

alwi7666 · 01-06-2010, 19:57

Its very simple bro...
Try and find...

Miangee911 · 01-14-2010, 16:03

sir i did not get the clue.please if any user had found them already please help me with the diagram.
thanks in advance.

saeedullah_khan · 01-14-2010, 16:39

Quote:

Originally Posted by Miangee911

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

InfinityHelp · 01-14-2010, 20:34

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

Miangee911 · 01-15-2010, 17:14

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.

Miangee911 · 01-16-2010, 06:33

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.

InfinityHelp · 01-16-2010, 11:57

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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01-04-2010, 06:39	#2 (permalink)
Miangee911 Freak Poster Join Date: May 2007 Location: South Africa Age: 44 Posts: 330 Member: 505446 Status: Offline Thanks Meter: 45	please anybody to help here.i have emailed it to infinityHelp also but no response.please it is very urgent.thanks in advance.

01-06-2010, 19:25	#3 (permalink)
InfinitySupport Product Manager Join Date: Mar 2005 Location: infinity-box Posts: 38,635 Member: 130995 Status: Offline Thanks Meter: 35,227	Hello, Did you tried to use this method for pinout detection ? C:\Program Files\InfinityBox\pinout\ChineseMiracle\_How_to_fi nd_pinout.jpg

01-06-2010, 19:57	#4 (permalink)
alwi7666 Freak Poster Join Date: Oct 2006 Location: Ayphone Technic Posts: 466 Member: 368730 Status: Offline Thanks Meter: 180	Its very simple bro... Try and find...

01-14-2010, 16:03	#5 (permalink)
Miangee911 Freak Poster Join Date: May 2007 Location: South Africa Age: 44 Posts: 330 Member: 505446 Status: Offline Thanks Meter: 45	sir i did not get the clue.please if any user had found them already please help me with the diagram. thanks in advance.

01-14-2010, 20:34	#7 (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

01-15-2010, 17:14	#8 (permalink)
Miangee911 Freak Poster Join Date: May 2007 Location: South Africa Age: 44 Posts: 330 Member: 505446 Status: Offline Thanks Meter: 45	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.

01-16-2010, 11:57	#10 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	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