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Sixth iteration of Apple iPhone, announced on September 12, 2012. Repair of this device is similar to the previous models, requiring screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Black or White.

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not charging or recognized

my iphone started discharging quicker then normal but would charge, recovered twice from full discharge to 100% but not anymore no response changed battery and moved motherboard to a different frame and lightning connector, any ideas? regards

(did the home and power button thing)

Beantwoord! View the answer Dit probleem heb ik ook

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Hello Mar. At this point, having changed the battery, insured you have a genuine Apple charger and swapped your MB into a known-good device, it is safe to say your issue is with the charging circuit on the logic board. This is commonly referred to as U2/Tristar.

This is a micro-soldering repair and is not DIY. If you don't have the right tools or skills, I would encourage you to find a micro-soldering repair shop to do this for you.

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afraid of that, thanks

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could that have ruined the earlier batteries?

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That's hard to say. Your phone is old so the battery was probably on its death bed anyway. The Tristar IC is more of a communication chip even though it's always associated with charging problems. It is responsible for recognizing anything connected to the Lightning port. So when it fails, it doesn't recognize that a charger is present.

The actual "charging" IC is Tigris. If it was supplying incorrect current or voltage to your battery then yes, it could have damaged the battery.

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Try a known good battery, are you using an original apple charger or an aftermarket one?

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Hi your charger may be faulty try another charger.

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thanks done that is also not recognized by itunes

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i would say just a new charger but if you already tried that then what i do is i just get a small pin needle and just poke around in the charging port for a while and dig out lint or even wood yes ive seen some wood in a charging port and just clean it out really good then try it and if not i would just put in a new flex cable charging port in it and try

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thanks done that, cleaned contacts with isopropyl, no go

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ok we are a bit further, bought a new iphone 5, interchanged motherboards and success downloaded my movies overnite the phone discharged completely again so it seems a short in the motherboard? any possible remedy?

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honestly when it comes to logic boards i dont have a clue a bad board is a bad board just check the contacts and make sure they arent bad if they look fine it goes into the stuff i dont mess with sorry man

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This sounds like logic board issue i.e. u2 charger ic needed to replace, this can not be done by you, so you have to take to mobile micro-soldering repair shops.

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Mar Schrammeyer zal eeuwig dankbaar zijn.
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