How to tell if the baseband is broken?

How to tell if the baseband is broken?

Baseband is the core module of mobile phone communications and is responsible for processing the signal sending and receiving of cellular networks. If the baseband fails, it may result in inability to make calls, access to the Internet, or unstable signals. The following is a detailed method to determine whether the baseband is damaged and a correlation analysis of hot topics on the entire network in the past 10 days.

1. Common manifestations of baseband failures

2. Steps to detect baseband status

1.View IMEI information:Dial interface input*#06#, if the IMEI is empty or displays an error, the baseband may be abnormal.

2.Check system settings: Go to "Settings" - "About Phone" - "Status Information" and observe whether the "Baseband Version" is displayed as unknown.

3.Engineering mode test(Applicable to some models): Enter a specific code (such as Huawei*#*#2846579#*#*) Enter the engineering mode and select "Network Information Query".

4.Compare network features: Try switching between 2G/3G/4G modes. If all modes fail, the probability of baseband failure is high.

3. Correlation analysis of hot topics in the past 10 days

4. Solution

1.software repair: Try flashing or resetting network settings (note to backing up data).

2.Hardware repair: If it is determined that the baseband chip is damaged, it needs to be replaced by a professional repair center, which costs about 200-800 yuan.

3.Precautions: Prevent the phone from getting wet or falling, and update system patches regularly.

5. User real case reference

Summary: Baseband faults require comprehensive judgment based on software detection and hardware troubleshooting. Signal problems that have recently appeared on popular models are mostly related to the baseband. It is recommended that users pay attention to manufacturer announcements and back up important data in a timely manner.