What if Coolby can't make a phone call?

1. Why can't the phone number of Kubi's mobile phone contact be dialed out? How to solve it?

Hello:

According to your description, I suggest you try the following methods:

1. It is recommended to go to Settings-More/General-Application Manager-All-Contacts-and try to clear the data.

2. Check whether software programs such as mobile phone security guards are installed in the mobile phone. If there is an attempt to uninstall, please check whether the installed third-party software is incompatible or caused by software restrictions.

3. If an external SD card is inserted into the fuselage, take it out for observation.

4. Back up the important data on the mobile phone and try to restore the factory settings.

5. Test after updating the firmware version of the system.

If the problem still exists, it is recommended that you send your mobile phone to the nearest service center for testing. Please click the link below to view the furniture of Samsung Service Center.

2. Why can't my mobile phone get out or in?

There may be several reasons why mobile phones can't be dialed out or dialed in, so find out and solve them;

1. Check the call settings and turn on call restrictions. Maybe all incoming calls are banned.

2. Restart the phone, and the phone will re-register the search signal;

3. Turn on the phone, turn on the settings, select the application, and then set-More-Mobile Network-Network Operator-Search Network-Select the network operator supported by the SIM card;

4. Find a clean rag or glasses cloth and wipe the contact point between the mobile phone card and the mobile phone to one side to detect the problem of poor contact of the sim card;

5. It is recommended to try to replace another sim card, most likely because the SIM card is aging or damaged;

6. Try to switch to another mobile phone;

7. System upgrade, restore the factory settings of mobile phones;

8. For hardware problems, it is recommended to contact after-sales inspection and negotiation.

3. The phone can't get in. What's wrong with the phone, but you can go out.

If the phone can't make a call, we suggest that you:

1. Check whether the phone is in airplane mode.

2. Check whether the cell phone signal is stable. If the network signal is not good or there is no signal, please turn it off and restart, and search the network again. If it doesn't work, it is recommended to take out the SIM card and try to insert it again.

3. Check whether the mobile phone has enough balance.

4. If you can dial some fixed numbers, check whether the fixed dialing function is started. It is recommended to disable this feature.

Note: When fixed dialing is disabled, the PIN2 code will be prompted. The network operator needs to query the password.

5. Check whether the call barring function is set. If so, please cancel and try to make a call.

6. Replace other SIM cards.

7. Back up data (contacts, text messages, pictures, etc.). ) and restore the factory settings.

If the problem still exists, I suggest you take the purchase invoice, maintenance card and mobile phone to the local Samsung after-sales service center, and professional engineers will help you test it.

4. The phone can't come in

Reply to 1 the most cherished post. Hello, I'm very sorry for the bad experience I brought you with my mobile phone.

What firmware version are you using now? (In the dialing interface, enter *# 1234#) to view) Is it that individual calls can't come in or many calls can't come in? If you can't make a personal call, you may have mistakenly added the number to the blacklist of the security administrator. You can directly enter the mobile phone security manager-block harassment-delete blacklist information. If most calls can't be made, it may be related to your current cell phone signal/cell phone shutdown settings. I suggest you try to use the same type of mobile phone around you in the same place, and try to restore the default settings of the mobile phone. I hope Feifei's reply can help you. A good mood will always accompany you every day.

Feifei warmly reminds: Autumn has come, and the weather has already turned cold. Remember to add clothes to prevent catching cold. O(∩_∩)O .