✔ 最佳答案
if u have bought yr mobile phone for less than one year, then u can enjoy free maintenace in the NOKIA CARE centres and yr cell phone will be repaired in one hour which with cost u $0, there r nokia care centres at causeway bay, mk, etc.
6230 is not a new model and if u want to trade in, it will only give u back about $500-1000, if yr mobile phone is still brand-new, i would suggest u not to trade in and repair and use it again.