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1. There is no signal or the signal is relatively poor, mainly because the signal will be affected by various factors such as terrain, landform, and high-rise buildings in the process of propagation, such as the current location is in a relatively closed place, and the signal may be affected.
2. If the mobile phone signal of other China Unicom users is normal, the following methods can be used to troubleshoot:
Method 1] Turn on airplane mode, then turn off or restart your phone and try again.
Method 2] Test of changing the phone card to change the mobile phone card to the mobile phone of a family member or friend and try again.
Feedback, we will check and deal with it as soon as possible.
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Hi! You can try the development version, the stable version is for the public users, the functions are more comprehensive, can meet the needs of consumers for daily use, more emphasis on system stability. The development version is for enthusiast users, and compared to the stable version, the development version focuses on early adopters and quick changes, which means that some new features will be logged in one step earlier.
However, this does not mean that the development version is unstable, because even the development version is released after rigorous internal testing of the product. If you know about software development, you will know that software bugs will always exist, but there are differences in degree. For the development version of the MIUI system, there are actually no major bugs, and the main and new functions are stable and easy to use.
A more detailed description of the problem will help netizens understand the troubles you are encountering and help you solve the problem more accurately. Thank you for supporting Xiaomi phones!
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Poor signal is a hardware issue or a local signal issue.
Brush stable version: The phone runs stably, with fewer errors and no root
Development version: There is root, there is a new function experience, the operation is unstable, sometimes it gets stuck and the like.
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It can only be said that the signal is poor and cannot be saved....As mentioned above, this thing also has a lot to do with hardware.
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Go to after-sales, domestic mobile phones are guaranteed for one year free of charge, and go to after-sales to solve them.
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If it's not a problem with the communications company, go to after-sales.
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Hello: Is your mobile phone a telecom version? The telecom version does not have a very stable signal if you use a mobile number.
The Standard Edition supports only mobile and interconnected networks. The telecom version is developed for telecom users, but is compatible with mobile and China Unicom networks. However, the signal compatibility is not as good as that of the standard version.
Don't worry, try a backup factory reset.
Back up data: Go to Security Center > Backup > Create Backup, and select all data for backup, which usually takes 3-5 minutes. Factory Reset:
Tap the phone menu key - System Settings - All Settings - Backup & Reset - Factory reset - Turn on Delete Apps, turn off Format SD card, and click Reset Phone below.
If it still can't, it is recommended that you go to Mi Home or a repair outlet for testing. Our staff will take care of the problem for you.
Service station address and ** query.
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