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Quinta generacion de iPhone. La reparación de este dispositivo es fácil y requiere destornilladores, herramientas de hacer palanca, y paciencia. GSM/CDMA /16, 32, o 64 GB / Negro o Blanco.

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iPhone 4S not turning on anymore

My iPhone 4S is not turning on anymore, even when plugged into a wall charger.

It is not showing the apple logo and the battery is not even getting warm.

After using another logicboard it booted just fine without any problems.

What do you guys think is the problem with the logicboard?

Thanks in advance

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What is the voltage on your battery connector when you plug it in? Check if there is continuity between the - and + on your battery connector.

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My connector was giving me 0 volts, so I looked at the schematics and after a while noticed the wifi chip had a short.

After replacing thhe chip my iPhone was starting up, but R49_RF and C13_RF are missing, and my U5 was getting veeeery hot, with the batteryconnector reading 4,05volts.

But after 1 day it would not become hot anymore and booted normally, but now the wifi is greyed out.

Has it something to do with R49_RF and C13_RF missing?

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I would honestly drop it in an ultra sonic cleaner and then try it again. Or go to a shop and get liquid damage treatment.

Try It.

Also where do you live. If its in the SE of the USA defiantly try it. Good Luck!

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Well if you used another logic board in the same frame with all the same parts and it fired up and other logicboard dosent then it's definatly a fault with it

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Yeah I tought that too.

But is there a way to find out where exactly the logicboard is damaged, because I am able to to micro-soldering, so maybe I can fix it.

I only don't know how and where to search

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