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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 04-28-2018, 03:17   #1 (permalink)
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IPhone 7 Plus error 4013 Solved


Replaced R4810 and R4811 and Problem Solved.

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Old 05-01-2018, 13:23   #2 (permalink)
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Originally Posted by Mobilerepair111 View Post
Replaced R4810 and R4811 and Problem Solved.



Thanks


How’d you determine they were the issues?
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Old 05-02-2018, 07:25   #3 (permalink)
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Old 05-03-2018, 23:25   #4 (permalink)
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Replaced R4810 and R4811 and Problem Solved.



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How you know ?


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Old 05-04-2018, 00:12   #5 (permalink)
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according to the schematic these two resistance are pule up I2C_ISP_NH_SCL and I2C_ISP_NH_SDA to PP1V8 2.2k ohm each (i2c interface)

so i guess they were either physically damaged or water damage

either way it was visually inspected and spotted

microscope is the key

good job
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