I had problems with my sony ericson k810i mobile phone and also with the joy stick. I had visited sony ericson authorized service center in Panchkula sector-11. The complete address is Chintpurni Cell Solution SCO 37, Shop No. 1, Ground Floor, Sector 11, Panchkula 134109 (Haryana) Email: [email protected] Ph: 0172-5064772, M: 9888272754 The most important aspect of this issue is the person represented Sony Ericson when he took my phone from my hand and worked on the same regarding joy stick problem and battery. After half... read full review »