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Repair information and guides for the Apple iPhone 5s that was announced on September 10, 2013. Model: A1533, A1453, A1457, A1528, A1530, A1518

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U2 replaced , battery drain cured but now no charge .

Hi , i changed the u2 on my 5 s which solved the battery drain but now its not charging .

It was charging before i changed the u2 .

Did i do something wrong ?

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check Q2 5v charging voltage. (U2) the TriStar is not a charging IC it switches power between ppvcc main and ppvcc batt

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100% your issue

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Thank you , i scraped the under fill off the Q2 chip and it seemed to be cracked in half ! , replaced it and all working again ..

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Your welcome

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If your phone is not charging, then U2 is probably not installed correctly. Perhaps some of the balls are shorted along the E75 lines which communicate with the Lightning cable.

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Hi , I will try again with another chip .

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Hi , I have put another chip on but still have the same symptoms , and no i tunes connection .

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markparnell1972 will be eternally grateful.
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