Dear sir, i buying secondhand phon i phone panche From k.k mobile with all documents and with warranty. that time phone spyker is not work properly that time i said that mr.kuber speker is not working pls chek he said me this card is BSNL pls transfer to VODAFONE so voice be cleared i told oky may be some network issu so i transfer DONE mnp in vodaFOne till i faceting problem i am going to k.k mobile and told i face till this problem...he said me go to service center i am going to service center and give my phon after 3 days he give my phon..that time also phon not work i i give two phon two time this service center till phon is not work after i call i phone service head mr.tusar he is said me this is last time sir pls give me your phon i give to ahmdabad so i also give this time to my phon till i face this problem phon velaue is 40k sir now he is not rec my call ....that time he said me not any problem so i will be chnj phon and give 2nd phon but now he dont pic call