i had given my nokia 5310 xpress muzic to nokia service center(wz-200 bajaj tower, jail road) on26 feb 2009 for repairing alert:ringing tone issue.they ask me to come after two days.but after that no response.they are not dealing with me properly.my cell phone had just ringing problem but after leaving my phone in nokia service centre, my phone had keypad, camera and more on issue.again i given my phone to them for repairing after that they return my phone on 21 march2009.but after receiving it automatically switched off.till now my phone is in there center.my name is sudha and my job sheet no. is 1134335279022632.waiting for your quick response.