[Resolved]  Nokia / Model 3230 — Not booting after power on .

In last month -fist of all my mobile not showing contacts numbers store in mobile. and next day after power on my mobile then whit display comes in blue colours 'NOKIA' comes .after that not booting & againt restart my mobile. Then go to nokia care & reinstalled softer -code o522253 . But after few days gone sane problem comes on. So, my question is it is internal hardware problemes or not properly installed software code-0522253. My nobile type -RM-51 FCC ID -QTKRM-51 IC:661AD-RM51, 352740/01/250847/4, CODE:0522253, 0018C5B55F11 this is my mobile information. Please replay me.