iPhone4 Power Problem who can solve this urgent? - GSM-Forum

NOKIA0077 · 11-10-2010, 17:48

Dear Friends,

I received iphone4 as dead, when i opened & removed battery connection and put it back phone started work fine.. without any problem..

But if i switched off couple of hours then again want to switch ON, it will not power on. untill i removed battery connecton & put it back then only will start working.

some time this will happen (i mean wont power on until remove batery connection & put it back) in couple of days or couple of hours and some time if i switch off and want to switch on in 30 minutes/ an hour. it wont switch on. until i removed & fixed back battery connection again.

1. already restored 3- 4 times with 4.1 version.
2. changed battery
3. Complete PCB fixed in other working unit.

Still same problem occurs.

Thanks in advace for your valuable exprience to share here.

Regards,
NOKIA0077

ebry · 11-10-2010, 18:31

Did you tried your motherboard in the other phone?

NOKIA0077 · 11-10-2010, 18:46

Dear Ebry,

i told that in point # 3. as i took a working unit and took that defective mother board and fixed in other unit . but still holds same problem..

NOKIA0077 · 11-11-2010, 06:34

Dear Friends,

its related with Main Board only. but what to check and where to check.. plz... advise..

Thanks

NOKIA0077 · 11-12-2010, 13:36

Still waiting replies about this power problem. where are the iphone experts???

robin25 · 11-12-2010, 13:46

Quote:

Originally Posted by NOKIA0077

Still waiting replies about this power problem. where are the iphone experts???

check battery power and all connector

may be not attached well

biaby · 11-12-2010, 13:48

100 % power IC,if you can deal with it then it's good and please if you find where it is,
please post a picture of it here.
good luck br,

biaby · 11-12-2010, 13:54

ok ic number is :338S0867 try to find it in your mother board.
good luck

smorbe · 11-12-2010, 14:48

when the phone power off and not able to power on did you try to put usb into pc?

does your pc detect phone when off?

NOKIA0077 · 11-12-2010, 15:34

@ smorbe
when its unable to switch on also not detecting on PC thru USB cable..

@biaby
what to do with Power IC you mean to change it or reball or just give some heat to this IC?

11-10-2010, 17:48	#1 (permalink)
NOKIA0077 Insane Poster Join Date: Dec 2005 Location: UAE-IND Age: 45 Posts: 72 Member: 208901 Status: Offline Thanks Meter: 1	iPhone4 Power Problem who can solve this urgent? Dear Friends, I received iphone4 as dead, when i opened & removed battery connection and put it back phone started work fine.. without any problem.. But if i switched off couple of hours then again want to switch ON, it will not power on. untill i removed battery connecton & put it back then only will start working. some time this will happen (i mean wont power on until remove batery connection & put it back) in couple of days or couple of hours and some time if i switch off and want to switch on in 30 minutes/ an hour. it wont switch on. until i removed & fixed back battery connection again. 1. already restored 3- 4 times with 4.1 version. 2. changed battery 3. Complete PCB fixed in other working unit. Still same problem occurs. Thanks in advace for your valuable exprience to share here. Regards, NOKIA0077

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11-10-2010, 18:31	#2 (permalink)
ebry Freak Poster Join Date: Mar 2005 Location: UK Age: 43 Posts: 494 Member: 127240 Status: Offline Thanks Meter: 82	Did you tried your motherboard in the other phone?

11-10-2010, 18:46	#3 (permalink)
NOKIA0077 Insane Poster Join Date: Dec 2005 Location: UAE-IND Age: 45 Posts: 72 Member: 208901 Status: Offline Thanks Meter: 1	Dear Ebry, i told that in point # 3. as i took a working unit and took that defective mother board and fixed in other unit . but still holds same problem..

11-11-2010, 06:34	#4 (permalink)
NOKIA0077 Insane Poster Join Date: Dec 2005 Location: UAE-IND Age: 45 Posts: 72 Member: 208901 Status: Offline Thanks Meter: 1	Dear Friends, its related with Main Board only. but what to check and where to check.. plz... advise.. Thanks

11-12-2010, 13:36	#5 (permalink)
NOKIA0077 Insane Poster Join Date: Dec 2005 Location: UAE-IND Age: 45 Posts: 72 Member: 208901 Status: Offline Thanks Meter: 1	Still waiting replies about this power problem. where are the iphone experts???

11-12-2010, 13:48	#7 (permalink)
biaby No Life Poster Join Date: Jun 2007 Location: nederland Posts: 661 Member: 523332 Status: Offline Thanks Meter: 273	100 % power IC,if you can deal with it then it's good and please if you find where it is, please post a picture of it here. good luck br,

11-12-2010, 13:54	#8 (permalink)
biaby No Life Poster Join Date: Jun 2007 Location: nederland Posts: 661 Member: 523332 Status: Offline Thanks Meter: 273	ok ic number is :338S0867 try to find it in your mother board. good luck

11-12-2010, 14:48	#9 (permalink)
smorbe Freak Poster Join Date: Apr 2005 Age: 45 Posts: 441 Member: 132735 Status: Offline Thanks Meter: 88	when the phone power off and not able to power on did you try to put usb into pc? does your pc detect phone when off?

11-12-2010, 15:34	#10 (permalink)
NOKIA0077 Insane Poster Join Date: Dec 2005 Location: UAE-IND Age: 45 Posts: 72 Member: 208901 Status: Offline Thanks Meter: 1	@ smorbe when its unable to switch on also not detecting on PC thru USB cable.. @biaby what to do with Power IC you mean to change it or reball or just give some heat to this IC?