When installing Mobile Cloud Message on Samsung mobile phones, there is a problem with the analysis

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.

The phone cannot install the software game, it is recommended to do the following:

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

Hello, I'm very sorry, if your phone can't connect to the mobile network, please do it as follows:

1. Take out the SIM card and replace.

2. Settings - Wireless and Network - Mobile Network - Network Mode - Network Operator 3. Try to change SIM card.

4. Back up your phone's data (**book, short message, multi** files, etc.) and restore your phone to the original factory settings (Settings - Privacy - Restore Factory Settings).

If the above methods still can't solve the problem, it is recommended to send the phone to the nearest Samsung service center, please click for specific service center inquiries.

Hope the above information can help you, thank you!

Have you ever connected to it? If you can't connect at the beginning, it's usually a problem with the APN setting.

If you rule out problems such as bad SIM card, arrears, APN settings, etc., then go to a repair shop.

The data key is out of order, and the device is shut down and restarted.

It could be a problem with a bad signal.

If your phone is not able to access the Internet with mobile data, it is recommended that you:

1.Swipe down the top curtain of the screen to turn on mobile data.

3.Try a different SIM card or a different time period to troubleshoot network issues.

4.Upgrade your phone to the latest version.

5.If it doesn't work, please back up the data in your phone and restore the machine to factory settings.

If the problem persists, please bring the purchase receipt, repair card and machine to the Samsung service center for inspection.

1. Check whether the SIM card is recognized by the phone. If it is not recognized, please turn off the SIM card and try to reinsert it.

3. It may be related to the network signal coverage of the location, it is recommended to change to another location with a better signal and try again.

4. Try to change another SIM card to rule out whether it is a SIM card.

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

2. Confirm whether there is a network, it is recommended that you can use it in a place with a strong signal;

3. Check whether there is still a phone bill in the account, if the balance is insufficient, you need to recharge before you can use it;

4. After 3-5 minutes of power off, restart the phone and try again;

5. Check whether the USIM card is inserted, if it has been inserted but still cannot be used, it is recommended that you go to the business hall to check whether the USIM card is faulty, or replace the card for testing;

6. If the traffic usage reaches the cap value in the current month, the network will be automatically shut down, it is recommended to pay attention to the SMS reminder or inquire **product description.

Hello: According to your description, if you can't connect to the network, you can follow the steps below to try to solve it:

1.Pull down the top curtain of the screen to check whether the data connection is enabled, turn off Wi-Fi, and restart the phone.

4.If it still doesn't work, you can try to change another SIM card.

5.If the above operations still can't solve the problem, you can back up your phone's data (**book, SMS information, multi**data, etc.) to restore your phone to factory settings: Settings - Reset - Factory Reset.

If the problem still exists, it is recommended that you bring the three-pack voucher and send the mobile phone to the nearest Samsung service center for testing, and the specific service center address please visit: Note: After the payment is in arrears, you need to restart the mobile phone for new payment.

Welcome to Samsung's Digital Services platform.

Can we describe it in more detail?

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 send your phone to the nearest Samsung service center for testing and further processing.

Under Standby Desktop - Tap Apps - Settings - Connections - More Networks - Mobile Networks - Network Operators - Search Networks - Select the network operator supported by your SIM card 3Wipe the contact points between the phone card and the phone (whether it is a SIM card with poor contact) 4If the problem persists, please bring the purchase invoice, repair card and machine to the Samsung service center, and the engineer will check the machine.

It is recommended that you make an "appointment to visit" repair application on Samsung's official website to enjoy priority repair service.

After the appointment is successful, please bring your machine, invoice and warranty card to the service center where you made the appointment on time.

When your Samsung phone can't access the mobile network, you can do the following:

1. Check whether the card slot of the SIM card is installed correctly, you can take it out and re-insert it;

2. Check whether the mobile phone is set to airplane mode, and make sure that it can be set back immediately;

3. Check if the wifi is turned on, but the data function is not turned on, you can click to turn on the GPRS data function;

4. Open the access point of Network Settings > Mobile Network > check whether you need to switch the network mode;

5. Hit ** to check whether there is any arrears in the phone bill, recharge and restart the mobile phone in time if there is arrears.

Samsung phones have the problem of not being able to access the mobile network, which can be like this:

1.Re-power on/off;

3.Test whether this is the case in different geographical locations, and preliminarily rule out network signal coverage problems;

4.If possible, change the SIM card for testing;

5.Check whether the phone has software such as Security Guard or Calendex installed, and try to uninstall it.

Back up data: **Book, SMS, Multi**, etc.), it is recommended that you restore the factory settings. If it still can't be solved after factory reset, it is recommended to send the phone to the nearest Samsung service center for testing and further processing.

This situation may be due to poor signal in the surrounding environment, or a signal blind zone, at this time no signal is a normal phenomenon, it is recommended to move around, look for a place with a better signal, or leave the signal blind zone. It is also possible that the built-in system of the mobile phone is faulty, at this time, you can turn off the mobile phone and restart it again to let the mobile phone automatically connect to the network. In addition, it is also possible that the local mobile operator has problems with the signal tower due to some reason, such as thunderstorms, typhoons, etc., and this situation can only be connected to the network after the operator has to repair it.

If the mobile phone cannot access the Internet normally, you can troubleshoot according to the following conditions:

Situation 1] The contact between the SIM card and the metal contacts of the mobile phone is insufficient, and the SIM card can be reinserted.

Situation 2] If the SIM card is damaged or there is a problem with the mobile phone, you can change the phone to test whether it is the SIM card or the mobile phone is faulty.

Situation 3] The current location is a signal blind zone or suddenly no signal, you can change places to test and pay attention to whether the mobile phone signal of other users around you is normal.

Situation 4] If the mobile phone card is in arrears or is shut down, you can pay off the arrears and turn it on.

Situation 5] The service is suspended due to abnormal use of the number, such as the number being used for illegal or illegal activities.

Situation 6] Roaming in Taiwan, Hong Kong, Macao or abroad can only be used after enabling Taiwan, Hong Kong and Macao roaming and international roaming.

Situation 7] If the total traffic generated by the Internet reaches the ** traffic cap value in the current month, the system will automatically turn off the Internet access function, or limit the speed of the network, and the network will be automatically restored in the next month, which shall be subject to your ** traffic cap rules.

Take Samsung Galaxy Note9 as an example, the specific method is as follows:

First, click "Settings" on the desktop of your phone.

2. After entering the settings interface, select the "Connection" option.

3. After entering the connection interface, open the "SIM Card Manager" to enter.

Fourth, after entering, find the "Mobile Data" item and click to enter.

5. After entering, select the SIM card that will use the traffic data.

If your Samsung phone wants to switch between card 1 or card 2 to surf the Internet, you can follow the following methods:

1. Under the standby page, click [Applications].

2.Click Settings.

3. Swipe up on the screen and select [SIM Manager].

4. When mobile data SIM 1 is turned on, if you want to switch SIM 2 to surf the Internet, slide the mobile data switch of SIM 2 to the right to turn it on.

5. The screen prompts "Is it confirmed to change the network mode of sim1 sim2?" and click Yes.

6. Enter the mobile network settings interface and click the [ ] icon to return to the previous interface.

7. Switched to SIM 2 mobile data surfing.

After completing the above operations, the switching of Internet access between the two SIM cards is completed.

If you need to switch SIM card 1 SIM card 2 to dial ** on a dual-SIM mobile phone:

Method 1: Standby interface - Swipe down the top curtain of the screen to display the network icon of SIM card 1 SIM card 2 - click the SIM card icon that needs to be dialed ** to set the SIM card for default dialing. Note:

If only one SIM card is recognized, the switching option cannot be displayed.

Method 2: Enter the dial-up interface - click the ** icon of SIM card 1 on the keyboard and switch the ** icon of SIM card 2.

Hello: According to your description, it is recommended that you try it by following the steps below:

3.Take out the SIM and clean the SIM card metal contacts with an eraser. (Whether it is a SIM card with poor contact).

4.Try to replace a SIM card (if the SIM card is aged or damaged).

If the problem still exists, please bring the purchase invoice, repair card and machine to the Samsung service center, and the engineer will check the machine, you can check the Samsung service center information through the following link:

Have a great day!

Welcome to Samsung's Digital Services platform.

This situation.

It is recommended to transfer the phone card.

Test it on another mobile phone to confirm whether it is stuck.

Use Android mobile phones or buy domestic brands, Samsung has no advantage, and the cost performance is very low.