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China's operators China Telecom, China Mobile, China Unicom are also independent enterprises, their investment is also to talk about efficiency, 4G network is a high-speed network, in order to achieve a relatively fast transmission rate, which requires a high signal frequency, energy to meet people's needs for high-speed Internet access,However, the high frequency leads to rapid signal attenuation and is easy to be blocked by objects, which requires operators to build 4G base stations with a high density to meet full signal coverage
So you should understand that there is no need to talk about the wild, that is, in rural areas with relatively small populations, it is likely that there is no 4G, and in some places in the city, the 4G signal is not very stable, which is also understandable.
The blueprint of 5G is getting clearer and clearer, and even makes people feel that 5G is about to be used. However, in some areas, even the 4G network is not connected, why? There are several reasons for this.
1. The mobile phone or ** card does not support 4G
To use the 4G network, the mobile phone and the ** card must support the 4G network. If your phone supports the 4G network, but the ** card is not upgraded to the 4G network, there is no way to use the 4G network. In the same way, even if you are a new 4G** card, but you are using an old mobile phone that does not support 4G, you will not be able to use the 4G network.
2. There is no 4G network coverage in the area
If your phone can use the 4G network normally in other places, but you can't use 4G when you go back to your hometown or go on a business trip, then it may be because the area is not covered with 4G network. Now in most areas, 4G has been popularized, but there are still some areas in the 4G signal blind zone, not yet fully covered, no 4G signal coverage areas, naturally unable to connect to the 4G network.
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Because the area is too remote, there are too few people, and no one uses it when it is popularized.
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Because of the gap between the rich and the poor and the transportation conditions, the infrastructure is not fully built.
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Because the countryside is full of farmers, some can't, haven't been to school, can't play with mobile phones.
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Because their area is so far away, people haven't had time to popularize it yet.
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The cost of complete popularization is too high, you think you don't have a few people in a place, and you will lose money if you specialize in a base station, and the operator is unwilling to do it if you lose too much money!
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This is normal because the economic development of various regions is uneven.
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Because country people don't play with mobile phones, and it's not completely covered.
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The regional economic development is uneven, and it has not completely entered the well-off.
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It may be due to the fact that the economy in some remote areas has not yet reached this level.
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Because they don't have a complete infrastructure.
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Because not all places are telling about development.
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If you inquire that you cannot use the Unicom 4G network, it is not excluded that it is caused by not meeting the conditions of use, and it is recommended to check through the conditions of using the Unicom 4G network
1. Use China Unicom 4G** or have opened 4G network function;
2. The mobile terminal supports China Unicom 4G network;
3. The location has coverage of China Unicom 4G network;
4. The number card is a USIM card.
Therefore, you can check whether you meet the above conditions, and you can use the Unicom 4G network only after you meet them. If this is not the case, you can contact the operator's customer service for details.
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I'll show you this article on mobile network coverage.
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The author just said that Confucianism does not have a church, and I don't know how you read the article.
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Yes, but you have to go to the mobile branch to open it, or call the customer service of the card you are using.
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The mountains are basically uncoverable
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