99% of Android phones have many faults? You should handle this!

Android mobile phones have always dominated most of the smartphone market. Due to its open source and other open features, Android systems may encounter technical faults, the system home below tells you how to solve most Android phone faults.



1. Cause analysis of failed text messages:
1. The SMS center number is incorrect;
2. The mobile phone is in arrears.

Solution:
1. Open the information, click the virtual menu key, click "set"-"SMS service center" in turn, and set the SMS center number to the SMS center number of the local network operator. (Different carriers and different regional SMS centers are different. You can call a local carrier for consultation .)
2. We recommend that you pay the fee.

2. Cause analysis of touch screen malfunction:
1. If the touch screen is not sensitive during charging, the output voltage of the non-original charger is unstable, which may cause the touch screen to malfunction;
2. The screen protector makes the touch screen insensitive;
3. The touch screen is insensitive due to static electricity;
4. System software reasons;
5. The mobile phone is ROOT;
6. Hardware faults.

Solution:
1. Replace the original charger.
2. Split the protective film and check whether it can be solved.
3. Press the switch twice to release static electricity.
4. Restore the factory settings when data is backed up. If the problem persists, check whether there is a new OTA version and upgrade it to the latest version.
5. Send after-sales service.

III. Analysis of the cause of the phone crash:
1. There are too many programs running in the background, occupying too much memory for running, resulting in system false death and crashes;
2. Viruses in mobile phones;
3. Too much data is stored on mobile phones or too many programs are installed.

Solution:
1. Exit some programs running in the background, and develop the habit of exiting the program by returning or exiting the virtual key.
2. Install antivirus software.
3. Delete and uninstall some uncommon materials and programs.
4. Transfer some programs to the memory card.

IV. Cause analysis of automatic shutdown:
1. Oxidation of battery contacts or battery connectors;
2. Caused by static electricity;
3. Insufficient power;
4. ROOT;
5. Timed shutdown is configured.

Solution:
1. Use an eraser or a cotton swab to wipe the battery connector.
2. Keep your mobile phone clean or use a mobile phone case.
3. Due to insufficient power, you can just recharge your instance.
4. Send the mobile phone to the after-sales service for upgrade.
5. After the instance is restarted, the instance can be shut down at a specified time.

5. Cause analysis of fever or fever in the body:
1. A smartphone is quite a micro-computer, and the CPU will generate heat when working (but the mobile phone is not like a computer with a dedicated heat sink device). The heat is sent through the shell, so we will feel the body fever, this is normal. When using a mobile phone when playing a large 3D game or charging, fever is evident.
Solution:
1. Do not make calls, watch videos, or play games when charging for a long time.

6. Cause analysis of fast power consumption and short Standby time:
1. There are many programs running in the background;
2. High screen brightness;
3. Enable Bluetooth, GPS, WIFI, and data connection;
4. The mobile phone's somatosensory function also consumes a lot of power;
5. High usage frequency of smartphones is also an important cause of short standby time.

Solution:
1. On the main interface, press the HOME key to call up the recently run program and slide to exit the program running in the background.
2. Adjust the screen brightness.
3. Disable Bluetooth, GPS, WIFI, or data connection when not in use.
4. Currently, most mobile phones are filled with one charge a day, and the standby time of some mobile phones with high battery capacity will increase. One day is normal.

7. Why cannot the SIM card be identified by the mobile phone:
1. The SIM card is not properly placed.
2. The SIM card is too old.
3. The SIM card holder is damaged.
4. The IMEI number of the mobile phone body is lost.
5. The mobile phone card has been cut down.

Solution:
1. Try to reinstall the SIM card.
2. Wipe the metal chip with an eraser. If the problem cannot be solved, and other SIM cards can be read, we recommend that you replace the new card.
3. If the SIM card is damaged, we recommend that you go to the customer service center for repair.
4. Enter the command "* #06 #" and the IMEI code of the fuselage is not displayed. We recommend that you send it to customer service for repair.
5. Change the new card in the business office.

8. Cause analysis cannot be saved for photos or other materials:
1. There is a virus in the memory card;
2. Memory card damage;
3. Insufficient memory space.

Solution:
1. Install antivirus software and format the memory card.
2. Replace the memory card.
3. Clear the data stored in the memory card and the data in the application (junk files ).

9. Cause analysis of camera blur:
1. The camera pixel settings are too low.
2. There is dirt in the camera lenses.
3. Light problems. Photo taking at night will be blurred compared to daytime.

Solution:
1. Set the pixel to the highest value in camera settings.
2. Use a lens cloth to wipe the camera lens clean.
3. We recommend that you enable the flashlight.

10. Analysis of reasons for running a software or game crash:
1. Insufficient memory for the mobile phone;
2. The mobile phone is ROOT;
3. Software deletion by mistake;
4. Software faults.

Solution:
1. Exit some programs running in the background.
2. OTA update or after-sales software upgrade.
3. Reinstall the latest version of the program or game.
4. Back up important mobile phone data and try to restore factory settings.