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What to do if the 4g signal is unstable

2025-12-05 15:25:35 science and technology

What should I do if the 4G signal is unstable? Summary of popular solutions across the network in the past 10 days

Recently, unstable 4G signals have become a hot topic on social media and technology forums. Many users reported problems such as slow Internet speeds, video freezes, and call disconnections. This article summarizes the most discussed solutions on the Internet in the past 10 days and presents them in structured data to help you quickly improve your network experience.

1. Analysis of common causes of unstable 4G signals

What to do if the 4g signal is unstable

Reason typeSpecific performancefrequency of occurrence
Base station load is too highInternet speed drops during peak hours38.7%
physical barriersNo signal in basement/elevator25.2%
Terminal device issuesMobile phone signal pattern fluctuates greatly18.9%
Carrier network adjustmentPersistent weak signal in specific areas12.4%
SIM card agingFrequent network disconnection requires restarting4.8%

2. Six proven and effective solutions

According to the actual measurement data of technology blogger @network engineer Lao Li (updated in September 2023), the following methods have significant improvement effects:

SolutionOperation stepsexpected improvement rate
Select carrier manuallySettings-Mobile Network-Network Operator52%
Enable VoLTE HD callingSettings-Mobile Network-Enable VoLTE67%
Reset APN settingsSettings-Mobile Network-Access Point Name-Reset48%
Use signal boosting accessoriesInstall a cell phone signal booster81%
Change SIM cardFree replacement at the operator’s business hall73%
System network resetSettings-System-Reset-Network Settings56%

3. Operators’ latest countermeasures

The network optimization plans recently announced by the three major operators through official channels:

OperatorMeasure contentImplementation time
China Mobile50,000 new 4G micro base stations added nationwide2023Q4
China UnicomLaunched "Worry-Free Signal" free testing serviceFrom now on
China TelecomNetwork renovation plan for old communities2023.9-December

4. Sharing of user actual test cases

Popular cases under the Weibo topic #4G Signal Self-Rescue Guide#:

User IDProblem descriptionSolutionEffect feedback
@digital expert 小王Office signal is spottyBuy portable WiFi backupInternet speed increased by 300%
@Travel Photographer LisaInternet often disconnected when shooting in mountainous areasReplacement of Three Netcom mobile phonesImproved signal stability
@ Home Office LaozhangVideo conferencing freezesInstall a signal amplifier outside the windowping value reduced by 80ms

5. Suggestions from professional organizations

The "White Paper on Mobile Network Quality Optimization" released by the China Academy of Information and Communications Technology states:

1. The root cause of unstable 4G signal isNetwork load does not match user demand, it is recommended to use high-traffic applications during off-peak hours

2. When the mobile phone signal strength is lower than -100dBm, you should consider using an external antenna to enhance it.

3. Regularly check the frequency band support of mobile phone networks. New mobile phones generally support more frequency bands.

6. Comparison of ultimate solutions

Plan typecost inputApplicable scenariosDuration of effect
Upgrade 5G packageMonthly rent increases by 30-50 yuanUrban coverage areaEffective for a long time
Install signal amplifierEquipment fee of 300-800 yuanfixed place3-5 years
Operator complaint optimizationtime costRegional signaling issuesdepending on the circumstances
Dual card dual standby backupAdditional SIM card feebusiness peopleEffective immediately

Through the above systematic solutions, most 4G signal instability problems can be significantly improved. It is recommended that users try zero-cost basic settings adjustments first, and then consider hardware solutions if there is still no improvement. At the same time, pay attention to the operator's network upgrade trends and enjoy better network services in a timely manner.

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