I have bought a samsung guru 1100 mobile ( GT-E1100ZRTINU ) today . After buying it i kept it with me and did not open the battery cover again . after coming home when I tried to open the battery cover to insert a proper SIM, i found it is almost impossible to open it up . After giving much pressure it did not get opened. No technique comes into work to open it up. so for me, now this this phone is useless . I am really surprised and shocked how could this model came into the market . I am not going to use samsung anymore . And I am giving... read full review »