Up to date po nakalagay ehhjellybean to kitkat to lolipop.. pag may available software update yang phone nyo pwede yan.. tignan nyo nlang po sa setting>about phone >software update .
ibig sabihin po walang available update yung phone nyo pra maging jeallybean to kitkat lalo na to lolipop.. search nlng po kyo sa google ..may makikita kang ibang paraan dun kaso mahirap. . sumakit lng ulo ko dun. hahaUp to date po nakalagay ehh