It may be that there is a problem with the wiring inside the phone, because the wiring is generally connected to the motherboard and screen of the phone, if the phone is affected, it may lead to the loosening of the wiring on the internal screen, resulting in green vertical bars or screen abnormalities and other problems, you can go to the phone's after-sales or repair center to replace the wiring.
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2, if the green vertical bar on the mobile phone screen is more obvious, it means that the inside screen of the mobile phone is damaged, you can check whether the touch function of the mobile phone is normal, if normal, it means that the damage is only the outside screen of the screen, if the touch has no reaction, it means the inside screen and damaged, need to go to the mobile phone repair center in time to replace the screen.
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3, check whether it is the problem of mobile phone software, if it is, it is necessary to uninstall the software in question, because some software will have some viruses, it is easy to lead to the phenomenon of flower screen and green vertical bar on the mobile phone, if found to remove these virus software in time.
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