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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signal ptoblems (low carrier signal )

hey guys , i got a signal probleme with my 5s ,actually when i put my sim on an other phone the signal is powerfull and works really well , but with my 5s the signal is almost all the time low sometimes even it tells me no servies , should i change the Antenna?

thank you

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Have you used the phone with strong signal before? And if you have, did something happen before it went bad signal (e.g phone being dropped, frame damage)?

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@benjamen50 actually i haven't but the phone i had before this one (iphone 5s too) used to work just great , and this one i bought it like 2 monthes ago and i noticed somthing on the fram i'll show you

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I think those are the antenna's embedded into the iPhone housing, all the iPhones from 4 and higher have that. In case you were wondering that is normal.

When I run into these issues it's usually either the cables just needing to replugged, re-alignment of antennas.

One common cause of the antenna going bad is corrosion (Liquid going to the antenna area and causing corrosion [It'll leave obvious white marks if this is the case]) or physical damage (This is unlikely in your case).

If there is corrosion on the antennas, you may be able to get away with just cleaning it with isopropyl alcohol 90%+ brushing on the antenna (Make sure you dry it up before closing the phone back up.

Check lightning connector assembly (The antenna cable that plugs from the charger port to the logic board near battery connector:

iPhone 5s Lightning Connector Replacement (I think this is the 4G one could possible be also 3G too.)

Then check logic board's antenna connector, it's the one that plugs at the top left of the board under it:

iPhone 5s Logic Board Replacement (This other one is probably Wi-Fi? / could be 3G too.)

iPhone 5s Logic Board Image

Guide

iPhone 5s Logic Board Replacement

Difficulty: Moderate20 minutos - 1 hora

iPhone 5s Lightning Connector Image

Guide

iPhone 5s Lightning Connector Replacement

Difficulty: Moderate1 - 2 saatler

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