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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone, iPad, iPod Hardware Repair

iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides.

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Old 03-21-2011, 19:34   #151 (permalink)
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i have an iphone 3g 8gb 4.2.1, i havent fully jb bcoz it got stuck during my jb. since then, when i turn it on, i get to the recovery mode and sometimes the white screen of death, and sometime WSOD with blue/green lines.. i always get error 21 and 14 during restore...

some of my restores can reach the progress bar and starts to restore it but half way through the restore it suddenly reboots and i get error 14 for that...

is this a hardware/ software issue? how can i fix this? im a little newbie. but ive managed to restore, jb, and unlock my phone before.

please help me... i need an expert here. if possible, we can chat so i can explain more, yahoo, msn, skype. thank you very much.
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Old 03-24-2011, 21:44   #152 (permalink)
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hello

I have an iphone 3gs don't power and is very hot. at de beginning he works but rigth now is dead.
if i put the mainboard in the batery he starts to get very hot.

have solution?

tks a lot
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Old 04-06-2011, 03:12   #153 (permalink)
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domjuan1500 - most likely it's the power management IC 338S0768 gone short-circuit. You can do a resistance check from battery + pad to ground, and see what reading you get.

The chip is pricey and fairly hard to source, and can be difficult to change unless you have a bit of experience hot-air soldering.
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Old 04-11-2011, 18:27   #154 (permalink)
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hi everybody, i have an iphone 3G 8GB ios 4.2.1, the problem is after few minutes from starting i get purple coloured lines and the video colors are inverted when i switch the wifi on the phone overheats and the battery drains very fast. i really need your help please
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Old 04-28-2011, 00:02   #155 (permalink)
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hi everybody...i have a problem with iphone 3g when i turn off my 3g network i got no signal (no service) when 3g in on every thing its ok...i checked the board and every thing its fine ??? can someone help ???
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Old 04-29-2011, 04:14   #156 (permalink)
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Iphone 4 No sound, No ring, No micro

Hy i have one Iphone 4 that have strange problem.
Phone not have sound, no ring, and micro not work. I update firmware to 4.3.2 and sound, ring, etc..beggin to work. After receid or make some calls, stop work and now no ring, no sound, no micro again!!!!! strange problem
Any ideias????

BR
P.S.- Sorry my english
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Old 05-06-2011, 20:24   #157 (permalink)
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iPhone 3g 16GB White NO SERVICE and No WIFI

http://i56.tinypic.com/2z6tumo.jpg



How can i Make a Jumper to Fix Signal?
I dont have Both Conectors on #6 and Board "Sub Antena"

Ty.
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Old 05-07-2011, 13:25   #158 (permalink)
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iPhone 3g 16GB White NO SERVICE and No WIFI





How can i Make a Jumper to Fix Signal?
I dont have Both Conectors on #6 Connector and Board "Sub Antena"

Ty.
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Old 05-12-2011, 07:09   #159 (permalink)
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Hi Everyone!!!! I have iPhone4,camera it working finne,but when i turn on VGA camera (front camera) it can not open ,what can i do? Help me!!!!! Thanks alot
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Old 05-13-2011, 16:58   #160 (permalink)
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Quote:
Originally Posted by mryeye View Post
hello men, please desolder the second component and solder a wire like in image and you will have the battery charging.
[IMG][/IMG]
bye
hi my good men do you maybe haw solution for no communication with pc?? i have no charging too but my iphone works for now and my home button works so are the microfon and speeker!!!
i have missing 4 resistors (thats what i think its called, am from poland =]) i cant upload photo but if you will have motherboard in front of you and you look on connector for flex cable frome usb,charging, microfon and speeker,
am missing first 2 on the left side and two on the right side that are seperatly from the group and ther are sideways!!! if you will not know what am talking about i will send you picture on email or something!!

thx in advance
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Old 05-13-2011, 18:29   #161 (permalink)
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Quote:
Originally Posted by Burnt Cobba View Post
try to do this connection shown in red and then retry to restore.

hope this helps and solves your problem
hi, i think this is my fist post.
first of all hello for everyone.
second, thank you burnt cobba this resolve partial of my problem.
now, what i have to change to make working good. can i remove the shunt? what the shunt do?

tks a lot once more.
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Old 05-17-2011, 23:35   #162 (permalink)
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Quote:
Originally Posted by chapster View Post
domjuan1500 - most likely it's the power management IC 338S0768 gone short-circuit. You can do a resistance check from battery + pad to ground, and see what reading you get.

The chip is pricey and fairly hard to source, and can be difficult to change unless you have a bit of experience hot-air soldering.
tks a lot, a change the power ic, result for a litle, i try restore give an error, try to re-heat the iphone never more start up.
i will try another power ic...
tks for everything.
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Old 05-30-2011, 19:14   #163 (permalink)
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that is headwaer or softwear
if headwear then what can i do
http://forum.gsmhosting.com/vbb/7379478-post16.html
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Old 06-03-2011, 19:51   #164 (permalink)
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Hi my mobo have missing tracks ... help please

http://img692.imageshack.us/img692/3982/puntosde.jpg
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Old 06-06-2011, 12:45   #165 (permalink)
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I have an iPhone 3GS 16GB with a very low 3G signal (only 1 bar). It's getting 3-4 bars but never full with 3G disabled (so it is a little weaker than normal as well). I have tried the mainboard in a known good casing and dock/antenna and it had the same issue.

HELP! HELP! HELP!
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