Vierte iPhone Generation. Die Reparatur an sich ist unkompliziert, aber Frontglas und LCD müssen gemeinsam ersetzt werden. GSM mit 8, 16 oder 32 GB Kapazität, Modell A1332 in schwarz und weiß.

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iPhone 4 won't turn on after screen replacement

Good mornin guys,

I've done many screen replacements on iPhone 4 smartphones (and others!) before, without any issues.

A while back, my phone was dropped, causing the screen to shatter, so I fitted a replacement screen (digitizer) with no issues as usual. Everything has worked fine for months and months.

After upgrading to iOS7, I accidently smashed my phones screen again. It was on and useable, but the screen was shattered.

I decided to replace the screen again (digitizer, as usual), but this time I got the apple logo "screen of death", followed by a 'connect to itunes' message.

I tried restoring the phone via itunes in every mode possible with no joy, but kept getting the "unknown error" message.

After upgrading my iTunes to v11.3, I tried again. After plugging my iPhone into iTunes, it simply said there is a problem with my iphone and I should contact apple.

Now previously, i've had the same issue ONCE before with the first 4S that I did a screen replacement on. After taking it to apple, they looked at it and said the cause was the after-market screen that the phone has detected, and that because not having a genuine apple screen the phone will no longer work and that they will not repair the phone.

Inevitably, I am led to believe they will say the same about this phone.

What options do I have!? I don't understand why it would work absolutely fine untill an after-market screen is fitted, then decide not to start up. I've tried several other screens (smashed but OEM ones too!) but with no joy. I can't believe that a phone can not work because it's detected an after-market screen. I've never had an issue before.

I am very confident with repairing the iPhone 4 smartphones, and would not believe this has been caused by myself during the repair. The only possible thought is that the fall of the iPhone damaged somethign else inside as the rear camera keeps overheating! But this was not the case pre-screen-replatement.

Any suggestions?

Thanks!

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try this... pull the back off and press down hard on the battery connection. then try to turn it on. I just had this problem. when you take off the battery connector frequently there is a possibility that you can damage one of the prongs that connects it to the motherboard. if so the device isn't getting the right power. by holding it down this will force the connections together. if this works let me know cause there are 2 things you can do to fix it.

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Hitordle,

I have the same problem, iphone 4 doesnt turn on or charge or recognized - after screen replacement.

Tried to press down hard on the battery connection but doesnt help.

Any suggestions?

von

Vincent: have you tried changing the battery? Also be sure to hold down the lock button and the home button. Sometimes after replacement, the screen wont be recognized and you will have to restart it. Hopes this helps.

von

I just saw this since i was having the same problem, i went back in and noticed the bottom screw of the double screws for the battery was not seated well. unscrewed the bottom screw and reseated it down and reconnected the battery and top screw! Viola! iPhone is back in action! yay!

von

I just replaced the screen on my 4S for the third time and it didn't work. I was perplexed. Then I wondered if the battery was charged. Plugged it in before I put on back of case and the battery charging icon came up. Whew!

von

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some screen need a newer ios to work

for example if your iphone 4 or 4s is operating on ios5

it may need to be updated to the latest ios for the screen to work.

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Thank you. the only person here with a real answer. And i hate apple crap phones please buy an android. I have 5.1.1 with google maps and I will never update.

von

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The issue is that the newer aftermarket screens don't support the pre iOS 6 software. I guess the third party manufacturers changed something in the backlight of the LCD.

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I just did this,

it would not start until I plugged the phone into the actual iphone chord connected to a computer.

Once I did that it started right up.

Very odd behavior, but was a nice easy fix in the end. After it booted ( I did not update anything ) I was able to remove it, and it operated fine.

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I have the same problem. I ordered a replacement and changed the screen. Then this happened , i changed back to the old screen and it doesnt work.

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Did you find a solution?

I'm having the exact same issue right now

von

i have the samse exact issue does anyone have a solution

von

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ive pluged it to the pc and the apple logo came up,

check your data cables as the third party one are shait..

ive been repairing iphones for years and never came across with this funny behavior

btw the on/off button didt work on the phone that time so couldnt do nothing like dfu,hard reset...

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Changed a screen recently. I can hear it vibrate when I switch it on but nothing on screen. Any suggestions?

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Same here!!! What do we do?

von

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Same problem with my iphone 4

Nothing on the screen except funny noise " bong bong"

Tried restore with iTunes on Mac : no change

Tried restart with home and start button : no change

Tried to disconnect battery an re connect : no change

Dismantled the LCD connections + others on the mother board and back again : no change !

Do not know what to do : usually it works fine but not this time .

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Josh Townsend wird auf ewig dankbar sein.
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