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If the phone is stuck, frozen, or sometimes unresponsive when in use, resulting in the machine not being able to use normally, it is recommended to try first: press and hold the power button of the mobile phone for 8-10 seconds to restart the machine. If the machine can be used normally for the time being after restarting, it is recommended to:
1.Too many background programs on your phone may cause your machine to run slowly and lag. It is recommended to end all programs that run in the background. How: Go to Task Manager - Active Applications - End the program running in the background. You can also try by restarting your phone.
3.Check if your phone has enough memory, it is also possible that your phone will run slow due to insufficient memory. If you have an external SD card, it is recommended to take it out and test it.
4.If the above operations still do not work, we recommend that:
1) Please check if your phone has a firmware system push notification, and if so, please upgrade your phone to the latest version. View method: Settings - About Device - System Update - Update (please back up the data in your phone before upgrading).
2) If it doesn't work, please back up the data in your phone, and then restore the factory settings (Settings - Reset Privacy - Personal - Factory Reset).
If the problem persists, please bring the purchase invoice, repair card and machine to the Samsung service center, and a professional after-sales engineer will help you test it.
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1.Reset. 2.Flash.
3.Maintenance. 4.Swap out.
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Hello, go to the store to buy a mobile phone to find someone to see, there is a problem with the phone, you can try to restart and restore the factory settings, if it doesn't work, go to it...
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Clear third-party pre-installed software with 360 Phone Guard.
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If the screen of a mobile phone or tablet fails to slide, it may be caused by a software or hardware problem
1.An attempt to uninstall recently installed third-party software.
2.Back up your data (contacts, text messages, **, etc.) and try to do a factory reset.
3.If the problem persists, it is recommended that you bring your mobile phone, purchase invoice, and repair card to your local Samsung after-sales service center for testing.
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If the phone has a situation where the touch screen is not sensitive and malfunctions, it is recommended:
1.Check if the phone has a film, if there is a suggestion to cancel the screen film and try it.
2.If the touch screen of the mobile phone is completely malfunctioning, it is recommended that you restart the machine and observe it again.
3.Try to update the system version of your phone (Note: Please back up the data in your device before upgrading).
4.If it doesn't work, back up the data in your device (contacts, text messages, **, etc.) and try to restore factory settings.
If the problem persists after the above operation, it is recommended that you bring the machine, purchase invoice, and repair card to the local after-sales service center for testing.
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We recommend that you do the following:
1.Turn the computer back on and off.
2.If the phone has a film, take it off and test it.
3.Back up your phone's data (**book, short message, multi** files, etc.), restore factory settingsIf the problem persists, in order to understand and solve the problems of the mobile phone more targeted, it is recommended to send the mobile phone to the nearest Samsung service center for testing, and the service center will determine the specific problems and accessories of the mobile phone according to the test results.
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If the notification bar of your phone cannot be pulled down, it is recommended that you:
1.Check whether your phone is an Android smartphone, Android smartphones support the drop-down notification bar2Check whether there is a third-party software recently, it may be that the software and the system are incompatible and cause the problem3
If it still doesn't work, you can back up your important data and try to factory reset your phone.
S4 3500 or so 5 inches 13 million pixels Note3 3880 inches 13 million pixels If the screen is large, P709 or P729 Zhongguancun**.
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