How To Fix Samsung Galaxy S4 Unable To Receive Calls & Other Related Issues

Imagine waiting for an important call on your phone that never arrives. Quite frustrating right? This can happen to your Samsung #GalaxyS4 device. Your phone may have a good signal reception and everything may seem to look normal but then in reality your #S4 is unable to receive calls. If you own this particular #Samsung device you don’t have to worry as we will be discussing this type of issue in this latest installment of our troubleshooting series.

For this particular installment we have selected four issues of this nature sent to u by our readers seeking our assistance. We will be providing the best possible solution per issue which hopefully will lead to a resolution.

If you own a Galaxy S4 or any other Android device for that matter then feel free to contact us using this form. We will be more than happy to assist you with any concern that you may have with your device. This is a free service we are offering with no strings attached. We however ask that when you do contact us try to be as detailed as possible so that an accurate assessment can be made and the correct solution can be given.

If you would like to browse the previous parts in this series then check out this link.

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S4 Unable To Receive Or Make Calls

Problem: Unable to make outgoing calls as well as unable to receive any calls.  Can’t check voicemail.  Unable to send text messages also.  PLEASE Help

Solution: Since you are unable to use the call and text feature of your phone you should first check your account subscription with your carrier. One possible account related problem is that your number may be deactivated.

If your account does not have a problem then the next thing you should do is to check if your phone is getting any network signal or reception. You can do this by checking the number of signal bars available in your phone display. The more bars preset the better signal reception your phone has. If your phone is not getting any signal bars then this may be the reason why you are unable to receive or make calls. Try going to a different location and check your phone signal from there. Alternatively, you can also remove your phone SIM card and insert it in another phone. Check if you can make a call or text when your SIM is inserted in another phone.

If your phone signal is good and you can make calls or send text messages when your SIM card is inserted in another phone then the next step is to troubleshoot the phone itself. What I would recommend is for you to back up your phone data then do a factory reset. This deletes all content stored in your phone and reverts it back to its original condition. This procedure will most likely resolve the issue if it is caused by a glitch in your phone software.

S4 No Sound Can Be Heard During Calls

Problem: Only problem is I am having no audio during calls both outgoing or incoming and even when i have earphones in.   Other than that audio is fine.  No dial tone either.  Please help? Your early response is greatly appreciated

Solution:  Have you checked if the call volume is set to maximum? If it is then I suggest you start the troubleshooting by checking if the problem is caused by a third party app installed in your phone. To do this start your phone in Safe Mode. In this mode only the pre-installed apps will be allowed to run while the apps that you downloaded are disabled.

Once your phone is in Safe Mode make a call then check if you can hear the call.  If the problem disappears then it is most likely caused by a third party app. Find out what app this is and uninstall it.

If you still experience the same problem even in Safe Mode then I suggest you back up your phone data and do a factory reset. This may resolve the problem if it is caused by a glitch in your phone software.

After doing the factory reset and the problem still persists then this may already be a hardware related issue. I suggest you bring your phone to an authorized service center and have it checked.

S4 Call Screen Does Not Minimize

Problem: Recently I was having an issue that when a call came in, the volume of the ringtone would reset to almost nothing. After trying everything I could think of, resetting cache, battery removal etc., I finally reset the phone to factory defaults, restored system. Now when I am on a call, I can no longer access any other app. I used to be able to hit the back button, and it would minimize the call and allow me to access Firefox or gallery or such. Now I cannot minimize the on call screen at all. Any ideas how to bring back this function? Thanks in advance.

Solution: Try checking first if the back button of your phone works or if it only works intermittently. You can do this by opening other apps then hitting the back button. If you have verified that this button works fine then what I suggest is to start your phone in Safe Mode then make a call and check if the same condition still occurs. In Safe Mode the third party apps installed in your phone are disabled which makes the troubleshooting easier. If the issue does not occur in Safe mode then there is a big possibility that it is caused by an app you installed. Find out what app this is and uninstall it.

If the problem still persists even in Safe Mode then I suggest you do another round of factory reset. Make sure to back up your phone data before performing this procedure. Right after the factory reset you should immediately make a call then check if the same problem still occurs.

S4 Not Registered To Network When Making a Call

Problem: When making a call the message not registered in network comes up. Normally have 1-3 bars when trying to call. Seems to work fine when I place calls at the AT&T store. Away I can’t make or receive calls.

Solution: The first thing that you should do for this type of issue is to restart your phone. This resets your phone connection to the network and may help resolve the problem. Once your phone has fully restarted check if the problem still persists.

If the problem persists then try changing your network operator. To do this go to Settings – Wireless & Networks – Network operators. Try using both your own network and automatically.

Another way to resolve this issue is to change the network mode of your phone then check in which mode the issue disappears. To do this go to settings – connections tab- more networks – mobile networks – network mode. You should try using LTE/GSM/WCDMA (auto connect), GSM/WCDMA (auto connect), GSM only or WCDMA only.

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