in case of hands free problem normally we can see a hands free symbol on screen.in this case we can not hear voice from speaker and mic will not work in hands free mode.so temporary solution is use a hand free with mobile. 
permanent solution is open mobile and after dis assembly of mobile check hand free points on board.in some mobiles hand free is not attached with board and it can be taken out and replace without solding.try to change hand free if it is not sold. if solding and value is not good in print then you have to remove it.then check all path and parts.if any component or track is missing apply jumpers as given in above diagram.you may have to replace these parts if required. For more information and new tips and tricks about this problem solution keep visiting this page we will update it if there will be new updates.some related post are also given below you can read more about mobile phone. Please note that although every diagram & solution posted on our website has been tested by one or more members of our team before posting,so we will not be responsible for any loss or damage, including personal injury.Use this repair solutions at your own risk.
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