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Repair information, troubleshooting tips, and guides for the sixth iteration of Apple iPhone, announced on September 12, 2012. Model: A1428, A1429

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What to do if the phone doesn't turn on

Hello,

I have replaced the broken screen and everything was fine.

Then about 3 days later, when I pressed sleep/wake button, the screen showed apple logo then black screen.

So I pressed sleep/wake button then again, the screen showed apple logo then black screen.

After that, no respond after pressing sleep/wake button.

Plugged into wall socket, came back to life.

Then following day, same thing happened but this time no respond when I plugged into wall socket.

So I connected to itunes but nothing.

When I did sleep/wake 2-3 seconds then add home button for 8 seconds then release sleep/wake button, the itunes recognised the phone and took it to recovery mode.

I have attempted for recovery mode twice but error 4005 came so couldn't recover.

I opened the phone and disconnected battery connector then connected then started.

This time apple logo and ten swipe screen for 2 seconds then black.

Then pressed sleep/wake button then came apple logo then black for 4 times and nothing.

Can anyone suggest what is wrong with this phone?

Oh, I tried to connect to previous broken screen and it doesn't turn on so I guess it's not screen.

Thank you.

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Chosen Solution

Try to restore without the LCD plugged in.

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3 Comments:

Could also be a bad battery instead as they can go faulty from the phone being dropped.

OP: When you managed to get it to turn on, what was the battery level being reported at the top right of the screen approximately?

No low battery symbol when it occurs right?

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No low battery symbol as last time it was fully charged then dead.

Should I simply do the recovery without attaching the screen?

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Try the restore with the LCD unplugged, if that doesn't say whate error and then try a different battery.

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