Joke Collection Website - Blessing messages - The cell phone signal is not good. What should I do if I can't receive the SMS?
The cell phone signal is not good. What should I do if I can't receive the SMS?
1. Confirm whether to use third-party magnetic attraction or metal fittings.
Please check whether metal protective shell, magnetic protective shell, magnetic bracket and other accessories are used. Metal and magnetic materials can easily interfere with signal reception. It is recommended to remove the parts for inspection.
2. Confirm whether the current environment covers the carrier network.
If you are in a closed indoor environment (such as basement, elevator, etc. ), the cell phone signal may be blocked, resulting in poor signal, you can go to the outdoor environment to check. If you are in a remote area and the signal may be poor, you can use the cell phone signal of the same operator network around you to determine whether it is the cause of network coverage.
3. Check the SIM card and verify the cross card replacement.
Observe whether there is dirt or oxidation on the metal surface of SIM card, and check it after cleaning. If you use a tailored SIM card, it is recommended to replace it with a standard SIM card. Install the SIM card to other devices, or install other SIM cards to the mobile phone for comparative test to determine whether the SIM card is faulty. If it is due to the SIM card, it is recommended to reissue the card in the operator's business hall.
4. Reset network settings
Resetting network settings will delete the connection records of WLAN, mobile data network, Bluetooth and other networks. You can enter Settings-System Management-Backup and Reset-Reset Network Settings-Reset Settings-Follow the prompts (you need to select the corresponding SIM card for dual cards).
note:
1, enter the cloud service-data synchronization-turn on WLAN, Bluetooth, etc. Synchronize data to the cloud service.
2. Enter "Cloud Service"-Device Cloud Backup-Backup Data Type-Open "System Data"-Return to the previous page-Back up immediately and back up some system setting data.
5. Restore all settings (you can do this if the network options are not reset).
You can enter Settings-System Management/More Settings-Backup and Reset/Restore Factory Settings-Restore All Settings-Restore, Restore Settings Options. This operation will not delete files or software, but will cancel the password and restore all settings, including the set wallpaper, unlocking method, WiFi, default opening program, etc.
note:
Enter cloud service-device cloud backup-backup data type-system data-return-immediately back up some backup system settings and desktop layout;
Cloud service-data synchronization-turn on WLAN and Bluetooth to synchronize data to cloud service.
6, service center testing
If the above methods fail to solve the problem, please back up the mobile phone data in advance and take the mobile phone and purchase voucher to vivo customer service center for testing; Go to official website /vivo Mall APP-My-outlet to inquire or click on the webpage link, and select the current city to get the address and contact information of the service center; It is recommended to call in advance before going to avoid empty running, plan your trip reasonably and travel safely.
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