Why SIM locked appear suddenly on my cellular?

Question

Hello,

my cellulair was working very nice, usually when i switch it off, it ask me for a code, once i type it, it works normally, but now the battery finish, when i charge it and try to turn it on, it write for me a sim locked, why this suddenly appear? how can i know the code for it ? can anyone help ?

Answer 1

take a look on ur sim card book .. when u buy a sim u get with it a small book .. in it u'll find the pin code and u have to type it to make ur cell work and if it doesn't go to ur sim's company and tell them ur number and they will replace ur sim ( by the same number )