Compare LG Viper 4G LTE LS840 with Samsung M570 Restore, Samsung M920 Transform, Samsung Mesmerize i500
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LG Viper 4G LTE LS840 
Samsung Mpower Muzik 219 -
LG Viper 4G LTE LS840 
Samsung P1000 Galaxy Tab -
LG Viper 4G LTE LS840 
Samsung R360 Freeform II -
LG Viper 4G LTE LS840 
Samsung R360 Messenger Touch -
LG Viper 4G LTE LS840 
Samsung R570 Messenger III
