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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Samsung > Samsung Hardware Repair


Samsung Hardware Repair Post here your Hardware Repairing Hints or Problems with Samsung Phones.

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Old 05-26-2016, 13:41   #1 (permalink)
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Red face I9505 power on\off problem!


I have a S4 with the defect that when I insert the battery the phone turns itself on ! I know that is the power button , but I have replaced four switch , but after a while gives me the same problem,samsung logo white for 2 seconds and then black screen ! in your opinion what is the solution to the problem ?
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Old 05-27-2016, 03:13   #2 (permalink)
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can someone help me? Please
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Old 05-27-2016, 12:52   #3 (permalink)
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heiiii help please!
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Old 05-30-2016, 01:24   #4 (permalink)
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[QUOTE=traplio24;11839774]I have a S4 with the defect that when I insert the battery the phone turns itself on ! I know that is the power button , but I have replaced four switch , but after a while gives me the same problem,samsung logo white for 2 seconds and then black screen ! in your opinion what is the solution to the problem ?[/QUOT


1-clean under the power switch and check if there is a short of tin under it
2-check component that is connected with the switch botton if it's shorted and replace


Only thanks botton
Attached Images
File Type: jpg Samsung-GT-I9505-Power-Button-Ways-Switch-Jumper.jpg (124.9 KB, 132 views)
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Old 05-30-2016, 07:27   #5 (permalink)
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I cleaned switch but nothing! How to test switch circuit/component? Thanks
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