i9 iphone cant writhe imei - GSM-Forum

PILONCILLO · 03-07-2009, 22:09

i have some those phones.i can backup fw and any other work were phone is pwr of.the imei are changued to default and i need changue to the label but phone must be powred on and my pind finder cant.

pin 1 have 4.27 vots and infinity box too.i dont find any diode in my infinity for cut.(that manual is for very old boards only.my infinity is from unlockcellular and is rectangular short black box).

y try with fully chargued battery too and cant make job becouse never conect.

i had worked many others iphones like iphoe,p168 etc and all is ok.only in these model is the problem.

PILONCILLO · 03-08-2009, 01:06

i begin tryng to writhe imei
but now i use the test point cable of rocker box(zulea not legija tp cable)
for pwer the phone and sw tray to conect but was unsusefull.

butttttttttttttttttttt...... i use the same boxes:infinity in com 8 .next pinfinder and tp cable like power and using cracked other chinese box imei was writed in pone in a second.

so infinity you have problem for conect these models of iphones in pwer on mode.i have pics and logs

InfinityHelp · 03-08-2009, 22:59

hello!

4,27 is volatge which was cut by diode.
you just must find it where it is located.
after you remove it- pinfinder work will increase dramaticaly

PILONCILLO · 03-09-2009, 19:33

Quote:

Originally Posted by InfinityHelp

hello!

4,27 is volatge which was cut by diode.
you just must find it where it is located.
after you remove it- pinfinder work will increase dramaticaly

sorry i cant find any diode.you produce it not me ,then please post were is located.

if there are many versions of boxes you must have diagrams or pic each one i suposse.

InfinityHelp · 03-10-2009, 11:21

hello!

can you post your box PCB picture (components side)
it must be in good focus
i will try to suggest which diode must be shorted

PILONCILLO · 03-12-2009, 01:26

here you are,i hope be usefull

PILONCILLO · 03-12-2009, 01:46

my infinity box board pictures

InfinityHelp · 03-13-2009, 00:41

hello!

looks like it is VDD2 ?

PILONCILLO · 03-14-2009, 01:19

what do you mean?
here atached some pics of my boxes
first my infinity and next pin finder

InfinityHelp · 03-14-2009, 23:08

hello!

remove VDD2, set jumper
check if this increase output voltage from 4,2 to +5v

03-07-2009, 22:09	#1 (permalink)
PILONCILLO No Life Poster Join Date: Apr 2003 Posts: 661 Member: 26692 Status: Offline Thanks Meter: 51	i9 iphone cant writhe imei i have some those phones.i can backup fw and any other work were phone is pwr of.the imei are changued to default and i need changue to the label but phone must be powred on and my pind finder cant. pin 1 have 4.27 vots and infinity box too.i dont find any diode in my infinity for cut.(that manual is for very old boards only.my infinity is from unlockcellular and is rectangular short black box). y try with fully chargued battery too and cant make job becouse never conect. i had worked many others iphones like iphoe,p168 etc and all is ok.only in these model is the problem.

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03-08-2009, 01:06	#2 (permalink)
PILONCILLO No Life Poster Join Date: Apr 2003 Posts: 661 Member: 26692 Status: Offline Thanks Meter: 51	i begin tryng to writhe imei but now i use the test point cable of rocker box(zulea not legija tp cable) for pwer the phone and sw tray to conect but was unsusefull. butttttttttttttttttttt...... i use the same boxes:infinity in com 8 .next pinfinder and tp cable like power and using cracked other chinese box imei was writed in pone in a second. so infinity you have problem for conect these models of iphones in pwer on mode.i have pics and logs

03-08-2009, 22:59	#3 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	hello! 4,27 is volatge which was cut by diode. you just must find it where it is located. after you remove it- pinfinder work will increase dramaticaly

03-10-2009, 11:21	#5 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	hello! can you post your box PCB picture (components side) it must be in good focus i will try to suggest which diode must be shorted

03-13-2009, 00:41	#8 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	hello! looks like it is VDD2 ?

03-14-2009, 23:08	#10 (permalink)
InfinityHelp Product Supporter Join Date: May 2005 Location: uae Posts: 29,245 Member: 148515 Status: Offline Thanks Meter: 19,534	hello! remove VDD2, set jumper check if this increase output voltage from 4,2 to +5v