Dear Sir/ Madam I had borrowed a Samsung mobile E-1210 ( IMEI no. 352995030802412) on 22 july 2009 whose battery serial no. isLC-3S419XS/1-C . Sir when I brought this mobile Dealer told me that its battery back up is of upto 12 hours, same is written on the box, but battery is not working even 1.30 hrs. Sir I gone to Samsung Service centre & I told them all my problems but they refused to change the battery. they told that a passcode is rubbed from the surface of the battery so they r unable to change that, even such thing is not... read full review »