What should I do if my Samsung phone can t uninstall the software and can t install it, and it says

The mobile phone cannot install software, and Samsung mobile phones generally carry out the following steps to troubleshoot and deal with it:

1.Check that the "Unknown**" setting is turned on.

5.If it doesn't work, back up the data in your phone (contacts, messages, **, etc.) and try to restore factory settings.

If the problem still exists, please bring the purchase invoice, repair card and machine to the service center, and the professional after-sales engineer will help test it.

1.Settings - Lock Screen & Security - Install Location Apps - Select Allow Apps to Install - Allow This ** - Turn on.

2.Settings - Lock Screen & Security - Unknown - On.

3.Settings - Security - Unknown - On.

4.Settings - Application - Unknown - On.

2.Please re-** the third-party software, and then go through Settings - (General More) - Application Manager - Already** (third party) - find the software you need to remove - click"Uninstall"。

The software cannot be installed for the game, the following is recommended:

1.Settings - Security - Unknown ** - Tick.

Hello: According to your description, since the specific model of your phone cannot be determined, if it is an Android phone, the supported software format is apk, it is recommended that you follow the steps below:

2.Check whether an external SD card is installed on your phone, take it out and try it.

3.Check whether third-party detection software (360 or Phone Manager) is installed on the phone, uninstall it, and try.

Welcome to Samsung's Digital Services platform.

When you install third-party software, it prompts "Installation blocked", then you need to turn on the program option that allows the installation of non-electronic markets, and the setting method: Standby - Settings - Security - Tick the unknown ** and then install it.

The steps to resolve an installation blocked are as follows:

1.Find and touch [Applications] on the main interface of your Samsung phone, and then in the open app, tap [Settings] as shown in the following figure.

3.You'll then see an "Unknown**" prompt that says: Your device and personal data are more vulnerable to Unknown** apps, and you agree that you are solely responsible for any device damage or data loss caused by your use of these apps.

Here we can directly click [OK], as shown in the figure below.

The system is pre-installed, and root is required to uninstall.

"360 Guard" software, borrowing this software, can realize the cleaning of the pre-installed system software of the mobile phone. Find 360 Guardian on your phone's desktop and tap to open 360 Defender.

After clicking to open "360 Guard", in 360 Guard, it is now in the mobile phone interface of "Common Functions". You need to find the "Security" screen and click to open "Security" before you can do it.

After clicking into the interface of "Security Protection", you must first find the "Super Mode".

After entering the "super mode", the color of the mobile phone interface changes to a bit of warning orange, which is a reminder that the operation in this has a certain risk, and the operation needs to be cautious. Then the top says "Ultra Mode Not On" and then select "Turn on Now".

Find "Pre-installed software uninstall" and click Open. After that, a window will be proposed, which is an important reminder, that is, if you continue to operate carefully, the mobile phone system is at risk of crashing. Then click on "I see".

Then you will enter the interface of uninstalling the pre-installed software, which shows how much memory these software occupies on the phone. Then find the software you want to uninstall and click "Uninstall".

After clicking "Uninstall", the system will give another prompt, "Uninstalling the system software may cause the phone to be unstable, it is recommended to operate with caution". If you want to continue uninstalling, then click "Continue uninstalling", and if you are afraid that your phone will crash, click "Return" to terminate the attempt.

Hello dear Samsung users:

According to the description of your bent pants, Samsung's built-in embedded sub-software belongs to the system software, which will cause the phone to be unable to use normally after deletion, so it does not support deletion. There are also some customized machine built-in operator sales software can not be deleted, very sorry.

Samsung knows that we will provide you with high-quality solutions and answer your questions attentively, and hope to get your satisfactory evaluation.