SOLVED: phone wont boot up - iPhone 6

phone wont boot up

i phone 6new charge port..new screen, new battery..turns on to apple logo for about 5 seconds then back off. does not show battery charging icon. at battery have roughly 4vt. not sure it has a sim card, sons old phone.

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I have the same issue, charged the battery overnight still get the apple logo flashing on and off, but if I hit the home button I get a screen that indicates to plug in to iTunes, but when I plug into the laptop itdoes nothing. acproadshow@hotmail.com

Jan 3, 2018 by Brad Strubel

Posted: Feb 9, 2017

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Just to help troubleshoot, why did you change the charge port, battery and screen?

Can you plug it into a USB ammeter to see if there is any current flow?

Replacement charge ports and batteries are notorious for low quality. You may have a defective replacement part.

Otherwise, a bootlooping device can be caused by many things. Give us more history by commenting on this answer.

A few things to consider:

Try a hard reset (Home & Power button for 10 secs)
Use a genuine Apple Lightning connector
Use a genuine Apple charging brick and let it charge overnight
Try to connect it to different computers with iTunes if possible
Put the phone in recovery mode (search DFU Mode). Careful, this can reset your data so only do it if you have a backup.
If you want to get deeper, disconnect the screen assembly and see if iTunes will recognize the phone.

Otherwise, you may have a logic board issue. If you are uncomfortable doing these steps, consider finding a repair shop to do the troubleshooting. A shop that also does micro-soldering can go deeper if the problem is not modular in nature.

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iPhone 6

phone wont boot up

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