vivo

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Does vivo phone support 5G network?

What should I do if there is no network and signal?

What should I do if the data network speed is slow?

My apps cannot connect to network. What should I do?

Why can I not use data network?

Why can I not watch videos with 4G network?

Why can I not enable the network of two SIM cards simultaneously?

Why can the apps running in the background not connect to data network?

Why does the data drain much every day?

Why can I not turn on the data network?

Can I use data network when I am on a call via the main card?

It prompts "There is a problem with the security certificate for this page" while visiting the website. What should I do?

The downloading in the background always stops. What should I do?

Why can I not use data network when I am on a call via the secondary card?

The online files cannot be downloaded normally. What should I do?

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