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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > iPhone ,iPod & iPad (Apple Inc. Products) > iPhone, iPad, iPod Hardware Repair

iPhone, iPad, iPod Hardware Repair Hardware Repair discussions for iPhone, iPod , iPad & Apple Products, help, guides.

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Old 03-19-2015, 20:46   #1 (permalink)
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iphone 5s u2 ic replacement advise


hi

been out of the mobile scene for a while and just getting back into it

whats best temp to remove u2 ic on 5s?
airflow on lowest setting

i have a yaxun yx-ak15 microscope

or is there a way to bypass it??
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Old 03-20-2015, 18:38   #2 (permalink)
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no way to bypass, u2 in ip 5s is very easy, there is no glue under it. Use 320 degree.
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Old 03-23-2015, 11:44   #3 (permalink)
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thanks for that

got u2 ic off

but when i was cleaning pads i managed to damage some components

C500 *missing
R84 *missing
R83 *i might be able to salvage this?

now are these 3 components have to be there or can we jumper??
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Old 03-24-2015, 22:16   #4 (permalink)
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Leave the capacitor off, and replace the resistors. No jumper.
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Old 10-09-2015, 20:32   #5 (permalink)
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Hi there ,
I have problem after replace U2 on iphone 5s:
Fist changed u2, battery get charger started 0.300 mA and full charged within 2 hours then drained out completely after 4 hours. Connect charger again U2 get hot.
Replace another U2 then current only 0.0147 mA and never bring up. Changed another U2 it is same...
Put a good battery with full charger from other 5s, still no luck and no power on ...
Some one know what is a problem can help me out please
Thanks
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