I HAVE PURCHASE A SAMSUNG S 8500 WAVA BY ARPAN GIFT CENTER RAILWAY ROAD ALIGARH. I HAVE PURCHASE THE S 8500 ON 04-07-10. THEN TWO DAYS DISPLAY ARE BLINKING I SAY TO MR. SAMEER DUA ( OWNER OF ARPAN GIFT CENTER ALIGARH ) HE TOLD TO ME PLZ VISIT SAMSUNG MOBILE SERVICE CENTER I SAID I BAUGHT THIS MOBILE BEFORE TWO DAYS MR. SAMEER SAYS THIS IS A DELHI HANDSET AND THIS PROBLEM ARE FACT FOR DELHI HANDSET. I WILL COME BACK. I REQUEST TO YOU PLZ DO NOT PURCHSE ANY HANDSET OF ARPAN GIFT CENTER RAILWAY ROAD ALIGARH. PHONE NO. 9917066660