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How to set the SIM card as the Data card?

How to transfer contacts from SIM card to my phone?

How to disable my SIM card?

How to distinguish SIM1 from SIM2?

How to check the SIM card storage details?

Where can I find the SIM card Toolkit?

What is SIM PIN?

How to insert the SIM card into my phone?

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

How to set the default messages delivery card?

Can I answer or make calls if the SIM card is disabled?

Why is the SIM toolkit gray on my phone?

What is PUK?

How many SIM & SD cards can be inserted into my phone?

How to change SIM PIN?

Can I change the name of SIM card?

Can I transfer the messages stored on the phone to the SIM card?

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

Where can I find SIM messages?

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

What should I do if I forget PUK?

Find My Phone
Lag & Stuck
Storage & File Manager
Backup & vivoCloud
Purchase Consulting
vivo & Google Account
Music & Video
Personal Hotspot & Wi-Fi