The Apple iPhone 5s was announced on September 10, 2013. Repair of this device is similar to the previous models, and requires screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Silver, Gold, and Space Gray.

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Apple logo cycling on and off after battery replacement.

I have replaced my Iphone 5s battery per your video instructions. You left out the part about keeping track of screw sizes and non-magnetic screw. When I power on, the Apple logo appears for 1 minute and ten seconds and disappears for 3 seconds. This continues constantly and cannot be turned off without opening the phone and disconnecting the battery. I have tried to boot with the instructions on your website (which is where I found out about the screws). No luck. I noticed that the battery I ordered from PhonePartWorld.com is part number 616-0728 and the original battery part number is 616-0718. On-line research shows 4 part numbers for the 5s battery and both are supposed to be okay. Is this true? Are you able to tell me what may be wrong? Thank you.

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I saw you did't keep track of the screws, you placed the screws back on for the shield I am guessing?

The battery replacement itself went smoothly? the connector fit and no components were knocked off when disconnecting the battery?

reseat the connectors for the screen, I believe you took that off by the non-magnetic screw.

if the wrong screw went in the wrong place board damage could have been caused.

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Sorry that I did not respond earlier. You are correct that I initially did not keep track of the screws. The screws are now in their proper positions and the screen connectors have been verified as being seated. If the board has been damaged, which board might it be if I wish to order a replacement?

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What was wrong with the old battery, draining fast / shutting down at a certain percentage?

Being stuck at apple logo for 1 minute then turning off by itself leads me to believe the iOS firmware on the phone is corrupted, usually either an update fixes it and as a last resort a restore fixes it which would wipe data on the phone.

I wouldn't bother with restore until you have confirmed battery is not the cause.

Anyway there is a way to boot without battery staying plugged in.

Keep battery plugged in but screen lifted up, home button unplugged and battery metal cover removed.

Plug the charger in, when you get apple logo unplug the battery cable, theoretically it should stay on, if it does wait and see if it will boot up.

If you turned off the device (and waiting about 10 seconds after turning off) prior to unplugging the battery then the software on the phone should be fine.

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Sorry I was not back earlier. Tried your instructions. with phone on charge and battery disconnected, I get the apple logo flashing 10 seconds on and 3 seconds off. Pushing the power button does not turn the phone off. Phone turns off by unplugging the charger. With the battery connected and without the battery charger, the sequence is apple logo on for 65 seconds and off for 3 seconds. Again, the power button will not turn the phone off.

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Battery is most likely faulty if the apple logo goes off immediately after the charging cable is unplugged (That is if you have the battery currently plugged into the board of course).

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The only difference between battery plugged in and battery unplugged is the length of time of the apple logo flashing.

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