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According to the information you provide, if you mean that the mobile phone cannot be used "without service", you can detect it in the following ways:
1.Please make sure your phone is not set to airplane mode;
2.Please confirm whether your mobile phone is in arrears;
3.You can go to a place with a better signal and turn it back on;
4.You can try it on your mobile phone with a different card, or try it on another mobile phone, if it can be used normally, it is recommended that you go to the business hall to test, if it still doesn't work, maybe.
If it is caused by the system of the mobile phone, you can go to the mobile phone repair point to test the mobile phone.
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The mobile phone prompts "emergency call", and there are generally the following reasons for this situation:
1.It is possible that the mobile phone card does not match the mobile phone;
2.If the mobile phone card is damaged, it is recommended that you bring a valid certificate to the business hall to replace the card;
3.Poor contact with your phone or your location is caused by a dead signal or a sudden lack of signal.
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If there is no signal on your phone or an emergency call prompt is displayed on the screen, it is recommended:
2.If it is a dual-SIM phone, please check whether the SIM card is activated: Settings - SIM Manager - SIM1 SIM2 - Click the SIM card icon - slide to turn on (the operation mode may be slightly different for different models of mobile phones).
3.If there is still no signal, it is recommended to turn off the SIM card and remove it, wipe the SIM card chip with an eraser, and then reinstall it.
4.If it doesn't work, try to change to another location to rule out whether it is caused by poor signal coverage in your location.
5.Try to change the network mode to 3G or 2G (do not select the auto-connect mode). Note: Some machines do not support changing the network mode.
6.Try to change another SIM card.
7.Update your phone's system version: Settings - About Phone (About Device) - Manual Update Automatic Update (Software Update System Update - Update). Note: Please back up the data (contacts, messages, **, etc.) in your device before upgrading.
If there is still no signal or emergency call is displayed after the above operations, please bring the purchase invoice, warranty card and machine to the nearest service center for inspection.
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If your Samsung phone is limited to emergency calls, it may be because your phone is set up with emergency call restrictions. You can try the following methods to lift:1
Turn off Airplane Mode from the drop-down menu2Try using a different SIM card to see if you still limit calls3In"Settings""SIM card locked"or"Call Restrictions"and turn it off4
If none of the above methods work, you can try a factory reset to fix the problem. Note that this will delete all the data stored on your phone, so make sure you back up your important data before doing it. Please note that the above method is for reference only, and the specific solution may vary depending on the phone model and software version.
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Summary. Dear, the mobile phone shows an emergency call, and it is preliminarily judged to be a network signal problem, it is recommended that you:
2.If it does not work, it is recommended to remove the SIM card and reinsert it.
3.If you are still prompted for an emergency call, it is recommended to connect to a wireless network and update your phone to the latest version.
4.If you have the latest version, please back up your phone and then restore it to factory settings.
5.Try to change another SIM card.
How to dismiss an emergency call only on Samsung phones.
Dear, it's a pleasure to serve you.
2.If it does not work, it is recommended to remove the SIM card and reinsert it. 3.
If you still get an emergency call, it is recommended to connect to a wireless network and upgrade your phone to the latest version. 4.If you have the latest version, please back up your phone and then restore it to factory settings.
5.Change to a different SIM card and try to bridge the Zen bar.
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Samsung mobile phone is limited to emergency call removal method: 1. Turn on the airplane mode, and you need to turn off the airplane mode to open the door to solve the problem. 2. Caused by mobile phone system, software, baseband and other problems, resulting in network inaccessibility.
Flashing the phone solves the problem of blocked signals, but it is important to back up all the data in advance. 3. Unblocking or leaving the shielding area can solve the damage caused by the mobile phone Tianxing's manuscript. 4. After-sales maintenance, to solve the damage of the SIM card, and replace the card to solve the failure of the SIM card.
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If your Samsung phone is limited to emergency calls, it may be because the device is in Pickpocket Morning mode or the SIM card is not inserted properly. You can try the following workarounds:1
Check Airplane Mode: Grind in the settings menu to make sure Airplane Mode is not turned on. 2.
Check the SIM card slot: Confirm that the SIM card is inserted correctly and that it is not damaged. 3.
1.Check your wireless service: In the settings menu, find the Wireless & Networks option and make sure the mobile network option is turned on.
2.Reset network settings: In the settings menu, find the "Backup & Reset" option, select "Network Settings Reset".
3.Factory reset: If that doesn't fix the problem, you can try a factory reset.
After backing up your data, open the "Backup & Reset" option in the settings menu and select "Factory Reset". Please note that a factory reset will restore your phone to factory settings and all user data will be erased, so be sure to back up all your data.
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Did you accidentally touch the airplane mode of the phone, and the airplane mode is on. The phone's small airplane icon is lit up. There is no network when airplane mode is turned on. Turn off airplane mode and you're good to go, I wish you success, I wish you a happy one, and I hope to adopt!
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See if the signal is normal, turn it off and turn it on again, put the card in other mobile phones, and try to call 10086 to check the signal coverage where you are.
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Hello: According to your description, it is recommended that you try it by following the steps below:
2.Take out the SIM and clean the SIM card metal contacts with an eraser. (Whether it is a SIM card with poor contact).
3.Try to replace a SIM card (whether the SIM card is aged or damaged)4Check whether the phone has software such as Security Guard or Calendex installed, and try to uninstall it.
5.Back up your phone's data (**book, text message, multi** files, etc.), restore factory settingsIf the problem persists, it is recommended that you send your phone to the nearest Samsung service center for testing and repair.
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Hello dear Samsung users:
After the appointment is successful, please bring your machine, invoice and warranty card to the service center where you made the appointment on time.
Comments, suggestions, complaints, please click:
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3.Wipe the contact points between the SIM card and the phone (whether it is a SIM card with poor contact);
4.Try replacing a SIM card (if the SIM card is aged or damaged).
If the problem persists, please bring the purchase invoice, repair card and machine to the Samsung service center for an engineer to inspect the machine. It is recommended that you make an "appointment to shop" repair application on Samsung's official website, Samsung mobile phone, is a smart phone developed by Samsung Group, Samsung mobile phone really began to be popular all over the world from the A series. The A series was originally a series of folding mobile phones, and the earliest Samsung SGH-A188 (white shape) and SGH-A288 (internal and external dual screens) are classics.
The Galaxy series is arguably the most successful series of Samsung phones to date. In the entire Galaxy series, Samsung has adopted Android's smartphone operating system.
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