I bought a new BlackBerry curve 8520 worth rs 9700 on 10jan2012 from anmol watches sector-22 chandigarh. From last 3 months the handset is giving a problem network out of order. As I send message to anyone it failed and displays network out of order. Then I resend it , it gets done in 3-4 time. I go to the bb care sco-5. Sector20 chandigarh. They says it is software problem. They updated the software. After 2 days the same problem arises again and now the wifi stops working. Now wifi starts working automatically. Now battery gets low very fast, as it gives 1-2 days bacjkup earlier. Now it gets low in 2hourss. I want to swap the handset and wanted a new handset, as it is in guarantee.