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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 to change SIM PIN?

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

Can I change the name of SIM card?

What should I do if I forget PUK?

Where can I find SIM messages?

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

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

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

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