Is there much traffic in 30g?

If all data traffic is used, for most people, 30GB of traffic a month is definitely not enough, whether it is 4G or 5G. But we don't always use mobile data, and we use WiFi at home or in the office. My mobile data and the traffic used by WLAN add up to about 100GB in 30 days. Usually, I just watch videos and brush more webpages, so if all mobile data is used, 30GB of traffic is not enough for one month.

Matters needing attention in the use of mobile phone traffic

When the WiFi signal is unstable, the smart phone will automatically search and switch to the 2G/3G/4G network according to the settings, and continue to provide Internet service. If the friends don't notice, continue to surf the Internet, and there may be traffic charges.

A large number of cloud backup materials Nowadays, many smart phones have cloud synchronization function, which can help friends automatically back up contacts, text messages and even photos to the cloud. If the synchronization function is turned on by default, it will consume a lot of traffic without the knowledge of the small partners, especially the synchronous uploading function of pictures, and the traffic consumption is more serious.