我是用手機j208
保密到按了什麼sim什麼密碼
我不知密碼是什麼，我不停亂打
最後他說
SIM咭不容許
請聯絡服務...
我重開機都在說= =停左係到
點算

may be i can help u.
maybe cannot, bcause we are not in same place.
what i know is, when u buy the sim card ?
there already have code for u, want u sim card are block.
if not, u can call the customer service !

if  you  cant  go  to   mobile  shop  to  ask

你應該將部機囉去數碼通到解個碼。我上次都係咁。