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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iPhone 5s not booting after battery replacement & a whack

Hi everyone,

Firstly, many thanks for clicking on this and reading my message. I really appreciate it.

Unfortunately, I've had no luck fixing an iphone 5s. A friend gave it to me, having failed to fix it. Apparently, he changed the battery and all was well for 48 hours until he bashed the phone on a door frame while it was in his pocket. It stopped working. When I plug it it, nothing happens. I've checked all the connections and none are loose.

My only ideas are,

a) the 'foam pad' on the LCD ribbon cable connector is damaged, needs replaced??

b) the screws from the metal bracket screen have been put back in the wrong order (I think they are different sizes?)

c) there is no foam pad on the battery latch

d) there is no foam pad on the ribbon for the fingerprint reader. I can't tell if there was never a foam pad here or if it has been worn off (my friend did mention that he had taken this phone apart and put it back together a number of times)

e) or maybe, even though the battery is new, I should try a new battery?

Do you think any of these things are causing my problem?

Thank you so much for reading this far, Gavin.

Answered! View the answer I have this problem too

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Thank you very much for your helpful answer. Of course, it means I'm f**ked, but at least I know I'm f**ked.

Thanks very much. I learned a thing or two.

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The phone had a battery replaced and worked fine for 48 hours. Chances are the battery is fine. He then bashed it against a door and it stopped working. You checked the connectors and everything seemed okay visually.

The foam pads are there to insure a solid connection, especially when you manufacture millions of devices but that doesn't mean the foam pads "have" to be there. If the connections are electronically viable, the the phone will at least work although it may suffer from intermittent disconnections.

The biggest challenge for users when they try to fix their devices are Pry Damage, Broken FPC Connectors and Long Screw Damage.

Pry Damage - If you are not careful when removing the flex connectors, you can easily pry away tiny surface-mount (electronic) components which will cause all sorts of problems.

Broken FPC - If you insert the connections incorrectly and apply too much pressure, you can damage the very delicate FPC connectors. You really need to look at them under moderate magnification (10X) with a loupe or microscope to see if they are damaged.

Long Screw Damage - As you suggest, the screws holding the various brackets have different lengths. Sometimes, only a tenth of a millimeter but that is enough to dig into the logic board and cause damage.

Otherwise, there may be a problem with the circuitry caused by the impact. If you don't have the tools necessary, you should consult with a qualified repair shop that does micro soldering for a proper diagnostic.

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