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It may be the reason for the ** card.
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Problems with network coverage.
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There are three situations when Redmi's mobile phone signal is not good:
1.There may be a problem with the mobile phone card, it is recommended to insert the card into another mobile phone to see if there is a signal.
2.It may be a problem with the signal of He Lu, try to change your location, and then restart your phone Lu Sui.
3.It may be a hardware problem with the phone, go to the Redmi mobile phone after-sales service to repair it.
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If your mobile phone is slow to access the Internet using mobile data, please follow the steps below to solve the problem
1.The phone is turned off and restarted.
2.Clear your phone's internet history and cache: Apps.
Internet - Tap on the five-pointed star on the screen.
Icon - History - Menu key - Clear History.
3.In this case, it may be an internet application issue that is causing you to have a slow internet connection, and it is recommended to reset your browser settings. Operation: Application - Internet - Menu Key - Settings - Content Settings - Reset Settings.
4.If you are using a 3G WCDMA phone, please check whether the network mode is selected as Auto or 3G only. Set the path: Settings - (Connection) - More Networks - Mobile Networks.
Network Mode - Select Auto or WCDMA mode only. (Note that if you select 3G only, if there is no 3G signal in your current location, the phone will have no signal).
5.If the problem persists, we recommend that you change to another SIM USIM card.
Open the phone settings, mobile network, select the operator, turn on the automatic selection button, click the back button in the upper left corner to return to the mobile network settings page, click the network type selection, and then select the 4G network.
Priority is changed to 3G network priority or only 2G network is sufficient.
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There are many factors that go into whether the network is good or not. Your phone has a lot to do with the environment you're using.
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It depends on the processor, the Snapdragon processor is better than the Dimensity processor.
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What is the reason for the unstable signal of Redmi mobile phone? 1.SIM card damage caused by card clipping:
Please check whether the SIM UIM card has been cut, as cutting the SIM card or a non-standard SIM UIM card may cause communication problems such as poor contact of the card slot, no network, weak signal, etc., please go to the sales office to replace the standard SIM UIM card and try it.
2.Poor signal due to mismatch of mobile network standards:
Please confirm whether the mobile phone can recognize the inserted SIM UIM card, the SIM UIM card type supported by the mobile phone of different network standards is different, you can check whether the small print on the back of the mobile phone is consistent with your SIM UIM card type, you can consult the mobile phone provider for details.
3.Reinsert the card correctly:
Please check if the SIM UIM card is inserted correctly by referring to the back sticker and the included quick guide on the phone. Please reinsert the SIM UIM card and make sure that the SIM UIM card chip is in good contact with the card deck. There is a WLAN optimization under Xiaomi's wifi link, and the optimization is to save power, but it is also because of this that the network is not good.
Here's how to do it: 1. Settings--WLAN-Advanced Settings-
2. Turn off WLAN optimization.
1. Open the mobile phone, click the mobile phone "Settings" on the main interface, 2. Select "Mobile Network Settings" under the "Network and Connection" item to enter the mobile network interface;
3. In the mobile network settings interface, select the last item "Select Operator", and select it on the "Automatic Selection" item in the "Select Operator" interface (the orange dot indicates that it is selected);
4. Then, touch the back button in the lower right corner of the phone to return to the "Mobile Network Settings" interface, and click the penultimate item "Network Type Selection" to enter the network type selection interface;
5. At this time, as long as we change "4G network priority" to "3G network priority" or "only use 2G network (more power saving)";
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1.SIM card damage caused by card clipping:
Please check whether the SIM UIM card has been cut, as cutting the SIM card or a non-standard SIM UIM card may cause communication problems such as poor contact of the card slot, no network, weak signal, etc., please go to the sales office to replace the standard SIM UIM card and try it.
2.Poor signal due to mismatch of mobile network standards:
Please confirm whether the mobile phone can recognize the inserted SIM UIM card, the SIM UIM card type supported by the mobile phone of different network standards is different, you can check whether the small print on the back of the mobile phone is consistent with your SIM UIM card type, you can consult the mobile phone provider for details.
3.Reinsert the card correctly:
Please check if the SIM UIM card is inserted correctly by referring to the back sticker and the included quick guide on the phone. Please reinsert the SIM UIM card and make sure that the SIM UIM card chip is in good contact with the card deck.
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Mine too, it's very unstable, one signal is not as good as three at a time, one signal and only one small dot at a time. Not so when you don't change to red rice.
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Hi! Dear, any signal of Xiaomi mobile phones is strictly tested and produced using parts provided by well-known ** manufacturers.
The signal strength is in line with the national communication standard, and different brands of mobile phones are slightly stronger or weaker on the basis of meeting this standard.
In places where the signal is weak, there may be some differences in the signal strength of each one, but this is in line with the standard, and there will be no situation where Xiaomi has no signal and other mobile phones do.
Where the signal is better, there is no difference in the signal reception capacity of all models of mobile phones.
There is no signal on mobile phones because the signal will be affected by various factors such as terrain, landform, and tall buildings during the propagation process, and if you are in a relatively closed place, the signal will be affected. Here's how to deal with it:
1.Turn the phone back on and off and try again;
2.Swap the SIM card to a family member's or friend's phone and try again;
3.Check whether there is a signal from other users on the same network around you;
If there is no signal, you can contact the operator's manual customer service for feedback.
If you have a problem with your phone, it is recommended that you go to Xiaomi after-sales service for inspection and repair.
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Mine too. It seems to be a common problem.
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It is recommended that you:1Determine whether the connection signal is consistent, whether it is all or 5GHz;
2.The two comparison phones need to be tested in the same place to see if the signal is very different;
3.If there is no extra mobile phone comparison, you can use a wifi analyzer to check the signal strength (the fluctuation range of signal strength measured in close proximity to the router is -35dBm -15dBm is the normal value; The fluctuation range of 5G signal strength is normal between -40dBm and -20dBm);
4.Back up important data and perform factory reset;
5.If none of the above methods work, it is recommended that you conduct after-sales testing.
Some oil has an exclamation mark in the signal bar after brushing, or data roaming, or the signal bar is directly darkened, and the line will be disconnected if you hit **. There is a need to activate, I have compiled several solutions on the Internet to help some oil solve this problem, the methods are as follows: >>>More
There are generally three situations when the phone is disconnected: >>>More
Theoretical internet speed. 4g>3g>2g。First of all, observe what network the phone is currently on. >>>More
In fact, this thing is easy to explain, you might as well ** together: >>>More
Redmi 8A is the lowest-end entry-level product in the Redmi series, and the target customer is to replace the spare mobile phone of the elderly. The configuration and camera are basically very low or even a single camera,It's basically unrealistic to play games with this configuration.,If it's stuck, you can only run the application as little as possible at a time.。