Sounds like somthing got screwed up. Since youve just voided your warranty go ahead and flash yourself a better ROM and you be a lot happier plus it will fix your issue. Check out the sgs4g Bible and look for the noobs guide to Odin. That will get you started
Krylons cwm recovery FINAL file u have to place the file on the root of sd and push it to system/bin when there overwrite do not delete the recovery file already there just overwrite It . Use root explorer to push or an equivelant .... I used super mgr very easy once u get cwm u will b so haopy with this phone I couldnt b happier. I am now a flashaholic lol
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