Samsung C7 mobile phone can be played or not, why?

If your phone can't make calls**, it is recommended that you:1Check to see if your phone is in airplane mode.

3.Check if you have enough balance on your phone. 4.

Check whether the call restriction function is set: **-More - Settings - More Settings - Call Restrictions (you need to enter the password you entered when setting up call restrictions) Note: Different models of mobile phones may have slightly different operation paths.

5.Check whether there is a new version of the system, back up the data and update the system attempt. 6.

If it doesn't work, please back up the data in the machine (contacts, messages, **, etc.) and restore the machine to factory settings. If the problem persists, please bring the purchase invoice, repair card and machine to the Samsung service center for professional after-sales engineers to help test.

Wipe the contact points between the SIM card and the phone (whether it is a SIM card with poor contact).

Try replacing a SIM card (if the SIM card is aged or damaged).

Check to see if your phone is in airplane mode.

Or try to change another SIM card.

Check if you have enough balance on your phone.

Check if the call restriction feature is set up.

Check whether there is a new version of the system, back up the data and update the system attempt.

The common causes and solutions for phone not receiving calls** are as follows:

1. Check whether the mobile phone is in arrears and shut down, and it is recommended to pay and recharge;

2. Check whether the mobile phone is set to call forwarding, turn on airplane mode, call restrictions, etc., and it is recommended to try again after canceling;

3. Check whether the function or signal of the mobile phone is normal, and it is recommended to try again after changing the mobile phone or location;

4. Try to restart or change the mobile phone to see if it can receive calls**;

5. Bring the mobile phone card to the local business hall for testing or replacement of the mobile phone card.

The possible causes of withering are as follows:

1. There are too many programs running in the system and the memory is insufficient;

2. Call forwarding or call restriction may be set;

3. Check whether the mobile phone is in airplane mode or offline mode, in this mode, the network is disconnected, and you can't dial**;

4. Check whether there is a signal displayed in the upper corner of the phone, if there is no signal, or even the signal icon is not displayed, it may be that the SIM card is not in good contact.

Check whether Bluetooth is turned on. After turning on the Bluetooth switch, you need to enter the search mode to make a Bluetooth connection, press and hold the answer button, and the indicator light will be solid blue. Go to your phone's settings - Bluetooth - turn on Bluetooth - search for the device connection you need.

If you are prompted to enter a password during pairing, please check whether the Bluetooth password entered is correct.

If you still can't pair and connect, it is recommended to try to change to another device with Bluetooth function, which may be due to the compatibility of the Bluetooth version.

Expand. Steps to connect the bluetooth headset to the phone:

2. If the Bluetooth headset is new, it will automatically enter pairing mode when powered on. (If you connect again, you need to press and hold the Bluetooth earphone switch until the red light and blue light flash alternately and release).

3. The mobile phone can display the Bluetooth headset information and confirm the connection.

4. The effective use distance is within 10 meters, if you need to enter the exclusive PIN code of the Bluetooth headset when pairing.

We recommend that you follow the steps below:

1.Turn your phone on and off again.

2.Change a SIM card and insert it into the unit to try.

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

4.Update the system version of the phone to see if there is any improvement.

5.Back up your phone's data (book, SMS, multiple files, etc.) and restore factory settings.

If the problem persists, it is recommended to send the C7 phone to the nearest Samsung service center for testing and repair.

Analysis of the external reasons why the mobile phone cannot be connected:

1. First of all, it may be that the mobile phone is down, which happens frequently, which will cause you to neither call**nor answer**, so you must charge the phone bill in time.

2. Another external reason is that there is no signal on the mobile phone, which happens more often, and it can neither be answered**nor called**. In this case, you're better off staying in a different place or shaking your phone. Maybe the signal will be better, and some buildings, especially the iron sheds, may be able to block out the signal.

3. If these two are not the reason why the phone can't be connected, you have to look at the setting problem.

4. Generally, if the call settings of the mobile phone or the mobile phone settings menu are set to restrict outgoing calls or line selection 2, as long as you enter the corresponding menu to cancel the restriction of outgoing calls or change line 2 to line 1. This happens a lot. The most typical is that there is a mobile phone with line 1 line 2 in the settings, select line 1 to receive and receive text messages, line 2 can not type, but you can receive and send text messages.

5. If the phone can't be connected** or there is no solution, you can remove the battery and reinstall the SIM card. It is possible that the SIM card is not in good contact. There's also a check if you have set up a blacklist or something, it is possible that you have set someone to the blacklist, so you can't solve him or her**.

7. The phone can't be connected**, and it may be that your mobile phone card is broken, put your mobile phone card on someone else's mobile phone, or put someone else's card on your mobile phone and try it. In this case, the only way to do this is to go to the mobile business hall to replace a card. The mobile phone can't be connected**There may be a broken mobile phone itself, and there is generally no way to solve this situation, so you can only find someone to fix it.

The common causes and solutions for phone not receiving calls** are as follows:

Method 1] Check whether the mobile phone is in arrears and shut down, and it is recommended to pay the fee and recharge;

Method 2] Check whether the phone is set up for call forwarding, turn on airplane mode, call restrictions, etc., and it is recommended to try again after canceling;

Method 3] Check whether the function or signal of the mobile phone is normal, it is recommended to change the mobile phone or location and try again;

Method 4] If you cannot use it when roaming to other places, it is recommended to check whether the local network signal is normal and whether the number has been activated for roaming permission;

Method 5] Try to restart or change the phone to see if it can receive calls**;

Method 6] Bring the mobile phone card to the local business office for testing or replacement of the mobile phone card.

C7000 Connection to Computer Method:

1.Connect the data cable between the mobile phone and the computer, and after the computer recognizes the mobile phone normally, the mobile phone will automatically prompt whether to use the MTP connection mode, and select [Allow].

2.If the computer does not recognize the phone, it is recommended to install [S Phone Changer] and [Windows Media Player 11] on the computer;

1.Shutdown charging test.

2.Replace the charging position to rule out intermittent intermittent contact caused by poor contact of the socket 3If conditions permit, replace the spare charger for testing.

4.When the phone is turned on and charged, if the mobile phone is equipped with a third-party plug-in such as a charging doctor, it is recommended to test it after uninstalling it.

5.Check whether there are foreign objects in the mobile phone charging interface, such as liquid ingress, debris that causes poor contact between the mobile phone charging interface and the charger, if this situation is recommended to be repaired as soon as possible.

If the problem persists, it is recommended to bring the three-pack voucher to the local Samsung service center for detailed testing.