If you use a vivo phone, you can modify the name of the SIM card by going to Settings-Mobile Network/Dual Card and Mobile Network-SIM Card Information and Settings-Select SIM Card-Name Edit.

(Models without options do not support modification)

If you have any questions about the above operation steps or the use of the functions of the vivo mobile phone, you can enter vivo official website-My-Online Customer Service-and enter the feedback of manual consultation online customer service.