Care With Joy

How to set the default messages delivery card?

SIM Toolkit is always showing error. What should I do?

Where can I find the SIM card Toolkit?

How to disable my SIM card?

Why is the SIM toolkit gray on my phone?

Can I remove or insert SIM when my phone is on?

What is SIM PIN?

What is PUK?

What should I do if I forget PUK?

How to transfer contacts from SIM card to my phone?

How to set the SIM card as the Data card?

How to change SIM PIN?

Is there any limit to the contacts number saved on SIM card?

Can I change the name of SIM card?