What does the 3G displayed in the upper left corner of the phone mean

It's the current 3G network,I don't know what model of mobile phone you're using now,Now the widest network coverage is Unicom WCDMA,There is also a mobile TD-CDMA Telecom CDMA2000 If you use Unicom 186's number segment is to display 3G and have a signal,If you use a mobile phone to display 3G then there must be no signal,Sometimes there will be a string of signals,Display 3G。 But there was no signal.

Are you using a SIM card with a 3G signal? If so, then it's normal, it means that if it's a 3G signal and a copycat machine, many of them are realistic 3G.

Refers to the current use of a 3G network.

3G network link, dozens of times faster than GPRS.

Operating phone: iphone12

Operating system: ios15

Here's how to display 3G on your phone:

1. Go to the phone settings and click on the Eggplant Cellular Network.

2. Enter the interface and click on the Cellular Data option.

3. Enter the interface and click to enable 4G.

Important factors for the success of 3G development:

With the development and growth of mobile communication network technology, the application of this type of technology in various fields is indispensable, but the standards formulated by various communication companies for related technical means are different, which greatly curbs the development of the technology, and the emergence of 3G services has changed this chaotic situation.

In addition, 3G services have many excellent characteristics, such as higher speed, more intelligence, more stability, and more diversification, and are gradually transitioning to all-IP networks. The biggest difference between today's IP and today's IP is that it can cost-effectively provide multiple services and support end-to-end quality of service. Nahu MPLS is a growing trend. <>

There are usually two reasons for the mobile phone to display 3G, one is to set the mobile phone network type to only use the 3G model, at this time, the mobile phone will automatically block the 4G network, causing the signal display to become a 3G network. Second, due to the poor signal of the current 4G network, which cannot be fully covered, the mobile phone will automatically downgrade to receive the 3G network. <

Demo model: iPhone 12 && Huawei P40 && Xiaomi 11 System version: There are usually two reasons why the mobile phone displays 3G, one is to set the mobile phone network type to only use the 3G model, at this time, the mobile phone will automatically block the 4G network, causing the signal display to become a 3G network.

Second, due to the poor signal of the current 4G network, which cannot be fully covered, the mobile phone will automatically downgrade to receive the 3G network.