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Sesto modello di iPhone Apple, annunciato il 12 settembre 2012. La riparazione si fa in modo simile alle precedenti versioni di iPhone e richiede cacciaviti e strumenti di apertura. Disponibile con tecnologia GSM o CDMA, con 16, 32, o 64 GB, nero o bianco.

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Cellular signal appears good but incoming audio and mobile data poor.

My iPhone 5 has a problem with incoming cellular audio and data. Compared to another iPhone 5 with the same sim card the audio on incoming calls often breaks up into static. Also incoming data is much slower than the other iPhone 5. I've had a repair guy look at this a couple of times, the first time he sent it to a specialist who replaced a chip that deals with the signal. This had no effect. The second time he replaced the earpiece speaker, again no effect. The phone was gifted to me mid 2015. It had fallen into an oil sump on a canal boat - of all things - back in 2014 but worked fine apart from most of the screen was black. I was able to repair it by replacing the screen but also replaced the dock connector, earpiece speaker and headphone socket to be on the safe side as the parts were cheap and i didn't want to be opening it up more times than i needed too. The phone worked fine after this for a few months but then the cellular problems started to creep in. Now it's unusable for cellular voice calls. FaceTime audio calls work fine with crystal clear audio, so it doesn't appear to be a problem with the speaker. Also putting the sim in other phones solves the issue. The indicated cellular signal is good when i test the phone so at some point between the signal being received and measured and the signal being processed it seems that there's a problem. I've also done the obvious things like phone resets and software restores. Does anyone have any advice or pointers?

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Sounds like an issue with the "transceiver ic". Does this ring a bell? perhaps its what they attempted to replace before.

If not, perhaps it was overlooked. I would send it to a board repair specialist yourself and cut out the middle man. You can find the closest trusted board level tech to you via the link on my profile.

In saying this, the transceiver IC on an iPhone 5 is very difficult to replace, even for the most experienced, so it may no longer be worth it. If you are lucky though, it might turn out to be something less complex.

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Many thanks @microsoldering1. I'll have a look at the link on your profile but the guys I use send off to specialists but don't seem to add a lot of cost so I may stick with them. That way I can drop it off and pick it up locally.

da

Sounds great! I'm a big believer of supporting the little guy and helping out the locals. Loyalty is a great thing to have :)

da

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adrianlambert sarà eternamente grato.
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