I do not use this mobile but I like this cool keypad mobile so much because one of my few frinds are using this keypad mobile.They and I like much this mobile phone because-:
1.Normaly keypad mobiles sound is too high voliumed and samely this mobiles sound is so high qualited and with digitel bass .
2.We know that keypad mobile is best easy to ease and this Micromax x551 is verry usefull comparing others.
3.Alayas think that keypad mobile is not stylished but this mobile is so stylihed and deshined on front keys and back.
4.I realy impressd by this cool mobile fetures and amazing range of fetures.
5.and another things of anyone will satishfied about its Relibilty and durability.
6.Lastly I have no idea about its price but some day ago one friend say that its price is too low as 25000/pcs.wow its amazing mobile thanks to Micrmax