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HomeSoftware TutorialMobile ApplicationWhat should I do if my Xiaomi phone cannot connect to the 4G network? Miaodong: How to deal with the problem that my phone cannot connect to the 4G network

php editor Xigua brings you the solution to the problem that Xiaomi mobile phone cannot connect to the 4G network. When we use Xiaomi mobile phones, we sometimes encounter the problem of being unable to connect to the 4G network. In this case, we need to take some measures to solve it. This article will provide you with some simple and easy methods to help you quickly solve the problem of Xiaomi mobile phone being unable to connect to the 4G network. Whether it is a network setting problem or a weak signal, we can solve it through the following methods and let your Xiaomi phone reconnect to the 4G network.

With the development of technology, mobile phone signals have also evolved from E to 2G, 3G, and 4G. Now we have entered the 5G era, and everyone can access the Internet more smoothly. But when using mobile phones, we sometimes encounter situations where the mobile phone has no 4G signal, the mobile phone receives the 4G signal slowly, and there is a 2G signal but not a 4G signal, causing the 4G function to not work properly. Is it a problem with the mobile phone that cannot receive 4G signal? What should I do if my phone has no 4g signal? Let's take Huawei Honor Play 8C as an example to explain how to deal with the problem that the mobile phone cannot receive 4g signal.

小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法

How to deal with the problem that Huawei Honor Play 8C mobile phone cannot receive 4g signal

1. The 4G network signal is weak

When the mobile phone does not have a 4G signal, first confirm whether there is a network in the place where it is located. You can also compare it with other mobile phones to see if other mobile phones also have 4G signals to rule out network problems. If there are none, it is recommended to try in a place with strong signal; if the comparison mobile phone has 4G but your own mobile phone does not, then it is a problem with the mobile phone.

2. Check the SIM card

1. First check whether the mobile phone card has outstanding balance. If the balance is insufficient, the mobile phone will have no 4G signal.

2. After eliminating the problem of mobile phone arrears, replace the SIM card to see if the 4G signal can be received normally.

If the same phone cannot receive 4G signal after replacement, rule out a problem with the SIM card itself.

If the phone can receive 4G signal after replacement, then the SIM card is broken and you can just change it.

3. Restart the phone

When the phone cannot receive the 4G signal, you can shut it down for 3 to 5 minutes, restart the phone or switch to airplane mode to see if the 4G signal can be received.

If it still doesn’t work, there may be a problem with the system version. Back up important data on the phone, double clear or restore factory settings to eliminate it.

4. SIM card holder

Check whether the working conditions of the card holder, measurement power supply, reset, and signal are normal. Especially for machines that have been dropped or flooded with water, focus on checking whether the card holder is damaged, welded, or corroded.

小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法

小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法

小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法

##5. Replace the tail plug plate

Water corrosion of the tail plug plate of the mobile phone, poor soldering contact, etc. will also cause the mobile phone to have no 4G signal. You can replace the tail plug first. Exclude the small plug-in board.

小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法

6. Motherboard problem

If the above external configuration and other problems are eliminated, the mobile phone still cannot receive the 4G signal , check whether the working conditions of the power amplifier, power supply-related circuit components, sub-power amplifier, power amplifier power supply, etc. are normal.

For a machine that has been dropped, focus on checking whether there are any dropped points or weak soldering. There are two signal filters next to the power amplifier. If there are any dropped points or damage, the 4G signal will not be received; for a machine that has been flooded, focus on Check for corrosion, clean and reinstall or replace.

小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法

小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法

小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法

小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法

小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法

#Crystal oscillator problems can also cause mobile phone reception If the 4G signal is insufficient, it can be replanted or replaced.

小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法小米手机4g网连不上怎么办 秒懂:手机无法连接4G网络处理方法

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