Why can't the SMS center number in the mobile phone be cleared?

When you install the sim card, it will be generated automatically.

If you clear it, you cannot send messages.

If you don't want to send a message, you can delete one at will

Or get rid of someone

Why bother? Spend money to buy a tour. A little bit,

Many people go online to find the cracked version.

Why did you play that?

If you have this hobby,

Why not save that information fee and buy a psp to play ~!