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iPhone 3G是第二代iPhone。型号A1241，有8或16 GB容量，和炫酷的黑色或洁白的白色塑料背面。修复比第一款iPhone更简单。需要螺丝刀、撬撬工具和吸尘工具。

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After a hard fall, My iPhone keeps restarting

'''Hi, this is my first quistion here :)

I accidantally droped my iphone 3g very hard and the screen poped out a littile bit from the upper side and I pushed it back wile the device was still runing.

I used the device for 15 minutes (it is runing normally) then I pluged the cable to charge the iphone, after 10 minutes the iphone started rebooting by it self again and again and again (it shows the apple logo for 5 minutes then it restarts) like forever.

I tryd to put it in DFU mode and restore it, after the restore is complete it starts rebooting again.

can anyone please tell me if its a hardware or software problem and how to fix it!! ?

best regards :) '''

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Open phone following guide for rear panel. Check connectors , 5 in particular are on properly. If that doesn't work you may have damaged the power button assembly and it may be constantly on which is why it keeps rebooting. Or worse the power fuse on mainboard.

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I checked all the connectors.

and I think the power button is OK because I still can use it to shutdown or entering DFU mode but its already a littile damaged from a previos fall 2 weeks ago so I have to press hard to use it :)

Any other suggestions

thanks

由完成的

try recboot?

由完成的

the same happen with me but my iphone 5 suddenly shuts off when i connect to charger it starts to show apple logo and shutss off again i unplug the charger and it shuts off again

can pls tell what to do

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I have the same problem.

Check this post

http://daveaubin.getpaidfrom.us/2008/04/...

Recover Mode:

1. Hold down the top right button and the round bottom middle button for about 10 seconds while in the charge jack that you had last synched from that’s connected toyour pc.

2. The phone will go dark. Release the top button ONLY. While the iPhone is still plugged in. This is the key to getting itunes to recognise the iPhone in recover mode!

3. Notice the iPhone now shows up in itunes and itunes detected your iPhone is in recovery mode with this popup:

iPhone Recovery Mode

4. Click OK and then begin the reinstall your firmware.

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Thank you Fabio, that helped for me. I'm on an hour with a single restart! This is freedom - I was about to go mental because of the continuing retarting. Hope it will stay like this. :-)

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Did it restart again?

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Already tryd this. And after the restoring or updating finishs it keeps rebooting again. And if you got lucky after 2 hours of rebooting it will start normally for a minute or less then the screen freez for 5 minutes then restarting again and again. Its a hardware problem.

Any way I got iphone 4 now and I disassimbled my 3G and donated the enternal parts such as the LCD screen, digitizer, speaker, antenna and the bottons to my frinds :)

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+Recycled! Sorry couldn't fix,

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Let the phone's battery go completely dead... I mean dead to the point that the "charge battery" screen no longer appears when you press the 'home' button. (The logic here is that if the power is completely removed to the system it may reset the internal components.) I think that you're most likely going to have to take it apart but I'd try this 'no cost' possible fix first. Give it a try - nothing to lose but time at this point. Good luck!

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I left it dead for 1 day and then charged it again and nothing hapend :)

And I replaced the battary but still the same

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I think its hardware damage like the boot memory or somthing in the mainboard, and thats mean a new iphone :(

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Refer to this video to fix iPhone restarting problem.

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