


Huawei's default mobile data cannot be selected. What should I do?
The problem of being unable to select mobile data is plaguing Huawei users. PHP editor Apple will provide an in-depth analysis of the reasons and provide detailed solutions. If you have also encountered this problem, please continue reading. We will provide you with targeted guidance for different models and system versions of Huawei mobile phones to help you easily solve this problem.
There are many possible reasons and solutions for the problem that Huawei mobile phones cannot select default mobile data. Do you know the following?
Check whether it is enabled Two cards, if both cards are not enabled, there is no way to switch the default mobile data. You can shut down and restart, and enable both card 1 and card 2 in the settings.
If two cards are enabled but still cannot be switched, the phone may be a customized version of Netcom Mobile. According to the latest policy requirements of China Mobile, mobile phones with full Netcom version require mobile priority when using dual SIM cards. That is: when a mobile card and a non-mobile card are inserted, the mobile card is defaulted as the main card for 4G Internet access and cannot be switched to a non-mobile card. The other non-mobile card is used as a secondary card and can only make calls and send text messages. If you need to use the data traffic of China Unicom or China Telecom card, you can temporarily disable the mobile card.
It is recommended to go to the mobile business hall to replace the two SIM cards with the same batch (the first 6 digits of the SIM card's unique identification code ICC ID are the same). Another possible reason is that the SIM cards are in different batches.
4. If none of the above methods work, you can try to manually change the default mobile data. The specific steps are as follows: Open settings, enter the "Wireless and Network" option, click "Dual-SIM Management", and enter the "Default Mobile Data" column to modify the default card.
5. Finally, if the problem still cannot be solved, you can try shutting down and restarting.
When solving problems, we can use many methods, but each method has its advantages and disadvantages. Here, we briefly list some possible advantages and disadvantages:
1. For the first solution, you only need to open two cards to solve the problem, but if the user is not aware of this problem, he may not Thought of checking if the card is open.
2. The second solution is a relatively common solution, but if the user needs to use the data traffic of a non-mobile card, the mobile card needs to be temporarily disabled, which will have an impact on the user's use. Certain inconvenience.
3. The third solution requires going to the mobile business hall to replace the SIM card, which requires the user to spend a certain amount of time and energy, but the replacement can avoid problems caused by different batches of SIM cards.
4. The fourth solution requires the user to manually change the default mobile data and requires the user to have a certain understanding of the mobile phone settings, but it can solve the problem without going to the business hall to change the SIM card.
5. The last solution is a simple attempt, which may not necessarily be effective, but can be used as a last resort.
In short, we can use a variety of methods to solve the problem of not being able to select the default mobile data on Huawei phones, each method has its advantages and disadvantages.
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