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1. Open your phone and tap your phone settings on the main interface.
2. Enter the mobile phone settings interface: select "Mobile Network Settings" under the "Network and Connection" item to enter the mobile network interface.
3. On the mobile network settings interface, select the last item "Select Operator", and select it on the "Automatic Selection" item on 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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According to the information you provide, if you mean that the mobile phone cannot be used "without service", you can detect it in the following ways:
1.Please make sure your phone is not set to airplane mode;
2.Please confirm whether your mobile phone is in arrears;
3.You can go to a place with a better signal and turn it back on;
4.You can change the card on the mobile phone to try, or put the card on another mobile phone to try, if it can be used normally, it is recommended that you go to the business hall to test, if it still does not work, it may be caused by the mobile phone system, you can go to the mobile phone repair point to test the mobile phone.
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It may be that the network is unstable,And the mobile phone version is not well optimized, it will be like this,For example, I use a Unicom card,Mi3C often has no signal,Later, I reflashed a v6 version,It's solved,Three clear caches,Clear everything built in it。
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The phone does not recognize the SIM card and shows no service processing method:
1. Please confirm whether the SIM card type is correct according to the mobile phone model. An incorrect SIM card can damage the card tray and card slot or even fail to be removed;
2. Please make sure to use a standard SIM card. Do not use a non-standard SIM card or cut the card by yourself, cutting the card can easily cause the SIM card to be unable to recognize or damage the mobile phone, it is recommended to go to the business hall to change the original standard SIM card;
3. Please confirm whether the card is placed correctly. Whether the notch of the SIM card corresponds to the card slot;
4. Please confirm whether the surface of the SIM card is dirty. If the SIM card has been used for a long time, you can wipe the surface of the chip with alcohol, or go to the business office to replace the original standard SIM card. If the SIM card is used for a long time, the metal surface is easy to be oxidized, which is easy to cause probabilistic card recognition;
5. Do not plug or unplug the SIM card when the device is turned on. After inserting the SIM card, please restart your phone and try;
6. If the problem still exists, please back up the data in advance and bring the purchase invoice to the after-sales service point for maintenance.
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Here's what happens when your Redmi phone can't connect to the mobile network:
1. The mobile phone is shut down due to arrears.
2. The signal in the area where the mobile phone is located is poor.
3. The mobile phone is in the data roaming state, and the roaming data is not set.
4. The data traffic service is not activated.
5. The mobile phone or SIM card is damaged or the mobile phone software system is malfunctioning.
6. The mobile phone network standard is not compatible with the mobile phone card used.
The mobile phone cannot connect to the mobile network to solve the following solutions:
1. Recharge the phone bill to release and stop shutting down.
2. Use your mobile phone in an area with signal coverage.
3. Turn on data roaming in your phone's mobile network settings.
4. Turn on the data traffic service.
5. Repair the mobile phone or change the SIM card or flash the phone. Call for change.
6. Replace a compatible SIM card. The inability of the mobile phone to connect to the wireless network is caused by the failure of the mobile phone mobile network spike setting. Confirm that the wireless router is connected to the network normally.
Check if your Redmi phone is stuck in airplane mode, you need to turn off airplane mode to connect to a wireless network.
Set up your Redmi phone for network recovery, wait for the recovery to complete, and then connect to Wi-Fi. Note that after the mobile phone network is reset to settings, all the internal data of the mobile phone will be cleared, please do a good job of backing up the mobile phone data in advance. <>
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