Why is some software gone after Samsung C7 restarts?

The software icon on the home screen of the phone is missing, it is recommended to troubleshoot and deal with it with the following steps:

1.Check to see if hidden apps are set;

2.Some of the built-in programs are in the Samsung or Galaxy Plus folder;

3.Check whether there is a new version of the mobile phone system, and try to upgrade the system (back up the important data in the mobile phone first);

If the problem persists after the above operations, please bring the purchase invoice, warranty card and device to the Samsung service center for inspection.

1.Restart your phone.

2.Check if it's hidden: Go to Apps - Menu Key - Show Hidden Apps.

3.You can check whether the phone is in safe mode (there is the word "safe mode" in the lower left corner of the phone screen), and check whether the app icon appears after restarting the phone to exit safe mode.

4.Check if the app is closed: Go to Settings - Apps - All - Look carefully for the app you need - Open, tap Open, and then go back to the app to see if there is an icon.

6.Please back up the data in your phone, and then restore to factory settings (Settings - Reset - Factory Reset).

7.If the problem persists through the above methods, please bring the purchase invoice, repair card and machine to the Samsung service center, and the engineer will check the machine and deal with it.

If you can't enter the system after hand upgrading, it is recommended:

1.Restart the machine: Press and hold the power button and the down volume button at the same time for more than 7 seconds to restart the device; If it is a mobile phone with a removable battery, press and hold the power button for 8-10 seconds to restart the machine.

2.If it doesn't work, try to restore factory settings after entering safe mode: when the Samsung logo or operator screen appears on the boot screen of the machine, press and hold the volume button down and don't let go (some phones don't let go by pressing and holding the menu button in the lower left corner) will enter the safe mode, and then back up the data in the machine and restore the factory settings.

3.If the machine cannot be turned on, it is recommended to connect the machine to the charger and try to turn it on again.

If the problem persists, it is recommended that you bring the purchase invoice, repair card and machine to your local Samsung service center for professional engineers to help you test.

It's the same problem, is Samsung's domestic system really bad? I've always used Samsung's.,I used to change the screen.,I didn't expect the current system to do so badly.,It's chilling.。。。

Samsung C7 mobile phone can not be turned off, you can do the following:

C7 is a built-in battery, you can press and hold the power button and the down volume button at the same time for more than 7 seconds to restart the device, and then tap the power button again - click "Power off".

2.Remove the SIM card and try to shut down the SIM card and memory card.

3.If it doesn't work, back up the data in your phone (contacts, multiple files, etc.) and restore your phone to factory settings. Method:

Settings - Backup & Reset - Factory Reset - Reset Device - Delete All. Note: A factory reset will erase all data on your phone, please back up your phone data beforehand.

In standard mode, tap Settings. Sun Kai type.

2.Swipe up on the screen, find and guess and tap Backup & Reset.

3.Click Factory reset.

4.Click Reset device.

5.Click Delete all.

After the above operations are completed, the factory settings will be successfully restored after the phone automatically restarts.

If the problem still exists after the above operation, it is recommended that you bring the purchase invoice, three guarantees voucher and mobile phone to the local Samsung service center for testing by engineers.

There are many factors that the mobile phone cannot be turned on, and the battery, mobile phone software, and hardware will cause this kind of failure to turn on. If the battery is removable, it is recommended to try the following:

Replace a phone battery of the same model for a test or take the battery to the nearest service center for testing.

Remove the battery, clean the metal contacts of the battery with an eraser and test.

Take out the SIM card and SD card at the same time, and then press the power button for more than 10 seconds to test whether it can be turned on.

If the battery is not removable, try to turn it on after charging for a period of time.

If the problem persists according to the above methods, please bring the purchase invoice, repair card and machine to the Samsung service center for inspection.

Samsung Group is the largest multinational conglomerate in South Korea, but also a listed company in the world's top 500, Samsung Group includes many international subsidiaries, its subsidiaries are: Samsung Electronics, Samsung C&T, Samsung Airlines, Samsung Life Insurance, etc., business involves electronics, finance, machinery, chemistry and many other fields.

Samsung Group was founded in 1938 by Lee Byung-cheol. Samsung Group is a family business, the Lee family is hereditary, and all its Samsung properties are family businesses and are managed by other members of the family, and the group leader has passed down to the third generation of the Lee family, Lee Kun-hee is the current chairman of the group, and his son Lee Jae-yong is the vice chairman of Samsung Electronics. In 2016, Samsung was exposed to be involved in the South Korean "girlfriend interference in politics" scandal and has been investigated.

The reasons why the phone suddenly won't turn on are:

The mobile phone system failure causes the mobile phone to crash and cannot be turned on;

The mobile phone software conflict causes the mobile phone to crash and cannot be turned on;

The phone's battery is loosely connected and the phone won't turn on.

The solution to the sudden failure of the phone to turn on is as follows:

1.Bring the relevant products to the nearest after-sales service center to test the flashing machine;

3.Bring the relevant products to the nearest after-sales service center to test the battery connection and try again.

There are many factors why the Samsung C7 mobile phone cannot be turned on, and the battery, mobile phone software, and hardware will cause this kind of non-boot failure. We recommend trying the following:

1.Charge with a cable for a while and try to turn it on.

2.Take out the SIM card and try to power it on again.

3.If the problem persists, since the battery of this model is built-in, please bring the purchase invoice and repair card to the nearest Samsung service center for testing and processing.

If the phone cannot enter the system after upgrading, it is recommended:

1.Press and hold the power button and the down volume button at the same time for more than 7 seconds to reboot the device2If it doesn't work, enter safe mode and try to restore factory settings:

When the Samsung logo or carrier screen appears on the boot screen of the phone, press and hold the volume button down and do not let go to enter safe mode, and then back up the data in the phone and restore the factory settings.

3.If the phone cannot be turned on, it is recommended to connect the phone to the charger and try to turn it on again.

If the problem persists, it is recommended that you bring the purchase invoice, warranty card and mobile phone to the local Samsung service center for professional engineers to help you test.

1.Apps - Menu key - Show Hidden Apps Displays disabled apps and sees if they are hidden Disabled.

2.Settings - Application Manager (Applications - Manage Applications) - All - Find if there is a desired application, enable it.

3.Apps - Check if it's in a folder, e.g. Note3 Some programs will be in the Samsung or Galaxy Plus folder.

4.If you deleted the software that came with your phone and now need to restore it, please operate

1).If you delete it by uninstalling the software normally (Settings - Application Manager - Have** - Find the Built-in Software Uninstall), if you need to restore, try to: back up the data in your phone (contacts, text messages, **, etc.), and then restore the factory settings (Settings - Reset Privacy - Factory Reset).

2).If the built-in software itself cannot be deleted, you have uninstalled it through a third-party software to change the permissions of the phone, if you need to restore it, it is recommended that you send the phone to a Samsung service center for engineers to help detect and deal with it.

1.Close and restart the app.

2.It is recommended to uninstall this software and reinstall it.

3.Try to change to another version.

4.Update the system version of the phone and try to install it.

5.Back up your phone's data (**book, SMS, multi** files, etc.), restore the factory settings and try to reinstall it.

6.If it still can't be used after factory reset, and other third-party software can be used normally, only this software can't run normally, which is a compatibility problem with the mobile phone system. It is recommended to take your phone to the nearest service center for testing and further processing.

If the phone restarts automatically frequently, and the machine is used normally, it may be a problem with the phone's system or hardware, and it is recommended that you send the device to a Samsung service center for inspection.

If the phone can be used normally after restarting automatically, we recommend that you try the following methods:

1.Check whether the auto-restart function is set: Settings-Reset-Auto-Restart, after turning on, the phone will automatically restart the device at the set time (some machines support this function).

2.Update phone system version attempt: Settings - About phone (about device) - Manual update Automatic update (software update System update) - Update (please back up the data in your device before upgrading).

For specific operations and precautions, you can learn more about the specific operation and precautions through [How to upgrade mobile phone FOTA].

4.If the mobile phone battery is removable, it is recommended that you replace it with other original batteries to rule out whether it is a battery problem.

If the problem persists after the above operations, please bring the purchase invoice, repair card and machine to the Samsung service center, and the engineer will help check the branch file for processing.

We recommend that you do the following:

1. Observe after uninstalling the recently installed third-party app.

2. Back up data (contacts, text messages, **, etc.), restore the trembling state to the factory settings.

If the problem still exists, it is recommended that you bring your mobile phone, purchase invoice, and repair card to the local Sanjia Zhaoxing after-sales service center for testing.

We recommend that you do the following:

2. Please back up your data and try to restore the factory settings.

3. If the problem still exists, it may be a system problem, you can upgrade the version first, open the phone settings - about the device - system update - update attempt.

If there is still no solution to the problem, please send the phone to the nearest Samsung service center for testing and repair.