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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 11-26-2013, 18:28   #1 (permalink)
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i9300 volume down buton not working


hi i have a problem my i9300 volume buton not working i change the flex but problem same any one slution plz
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Old 11-27-2013, 04:25   #2 (permalink)
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Originally Posted by faisal4u2 View Post
hi i have a problem my i9300 volume buton not working i change the flex but problem same any one slution plz

samsung gt-i9300 S3 volume key ways
try trick image below :






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Old 01-09-2014, 10:42   #3 (permalink)
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Hi All,
Anyone can help me to same pinout for i9505 volume pinout as above. my S4 i9505 Volume Up not function, Volume Down working fine.
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Old 10-22-2014, 16:32   #4 (permalink)
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Originally Posted by faisal4u2 View Post
hi i have a problem my i9300 volume buton not working i change the flex but problem same any one slution plz
i have the same problem. solutions?
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Old 10-23-2014, 07:50   #5 (permalink)
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Originally Posted by moderncrusader View Post
i have the same problem. solutions?


samsung gt-i9300 s3 volume key ways
try to check the voltage of the second volume of his key work in the R427 and R429
replace if damaged (the value of R = 10k)
see the image below:






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Old 11-05-2014, 12:58   #6 (permalink)
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I replaced R427 and R429 , i replaced two flex, i checked ways, but the volume down still not working and the phone enters SafeMode. Do I have to replace UCP400 or is there any other solution?
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