Automatic copying of software: Some applications may have the right to copy automatically. You can check the permission settings of these applications and try to turn off their unnecessary permissions. Automatically copy websites and browsers: In some websites or browsers, passwords or other information may be automatically copied. You need to check the source code to confirm whether there is such a situation: system abnormality: the garbled mobile phone may also be caused by system abnormality or screen failure. In this case, you can try to forcibly turn off the phone and then restart it. Cell phone poisoning: If there is a virus in the cell phone, it may display garbled code on the screen and send out a warning message. In this case, anti-virus software can be used to clean the mobile phone. Hardware touch screen problem: If the problem is related to the touch screen, you may need to check whether the hardware is normal. If the problem still cannot be solved, it is recommended to take the mobile phone, receipt and warranty to the brand's support center for inspection to ensure that the mobile phone is professionally repaired or serviced.