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How To Fix Wi-Fi or Mobile Data Connection Issues on Samsung Galaxy S4 [Part 1]

The first one of many to come! Welcome to our first troubleshooting series dedicated to giving you solutions on how to fix connectivity problems on your Samsung Galaxy S4. At the later part of this post, we have included some of the recent issues some of our users have encountered after updating to Android Lollipop.

As a quick tip, you should check out these wifi range extenders and routers, perhaps one of these devices will help with your connectivity problems.

If you are one of the users who encounters a problem with your device, let us know. We offer solutions for Android-related problems for free so if you have an issue with your Android device, simply contact us using this form and we will try to publish our answers in the next posts. We cannot guarantee a quick response so if your issue is time sensitive, please find another way to resolve your problem. 

When describing the problem, please be as detailed as possible so we can easily pinpoint a relevant solution. If you can, kindly include the exact error messages you are getting to give us an idea where to start.

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Problem #1: Calls keep on dropping when using Samsung Galaxy S4 of Digicel

Ok. So I’ve had my S4 Active for about 8 months now and all I have are problems. I link them back to when it fell and the screen cracked (which I haven’t fixed so that might really be the issue). So it fell about 2 weeks after I got it. It still worked fine, everything was still great except for the cracks. That is up until recently. I went home for Christmas and I have been having network problems. I thought it was because of my location but anywhere I go it doesn’t change. I can make calls and then couple seconds after it will drop. I can make a call and right after I hang up I see that stop sign where my bars should be. Then I have to wait for it to come up. My phone freezes sometimes when trying to make calls. I see android.com.process (something like that) has stopped working. One time I removed my battery and put it back only to get a black screen with the android mascot lying down with error on it and then I got options to reboot etc. I just selected reboot because I didn’t know what to do. I also tried to get a software update and I got a little message saying “DM initialization not ready. Check network or SIM card”. My battery  also drains ridiculously fast. It’ll only last if it’s in airplane mode. Also I can’t access my Gallery. If I use Photos to view my pictures I can but not Gallery no idea why. I really hope you can help me figure this out. Thanks for reading and if I missed anything or there’s something you don’t understand please let me know. Thanks in advance.

Below is just extra information:

I am from Jamaica and my network provider is Digicel. Don’t know how it will help but just in case. — Kerry

Solution: Hi Kerry. If all these troubles started happening after you dropped the device and cracked its screen, they may all well be the side effects of that incident. The severity of the damage can only manifest itself in symptoms like the ones you described afterwards.  There’s no telling what might happen after a drop but in your case, we can safely assume that it was bad because it affected multiple functions.

We noticed that the issues you mentioned appears to be not connected to each other, which is a strong indicator that there’s probably a general hardware failure going on. The network issues you have noticed is probably because of a failing antennae while the black screen issue you get after rebooting the phone can be a sign other damaged parts.

The best way to identify whether or not there’s a hardware issue is by performing a factory reset. Also known as a hard reset, doing this procedure ensures that the phone’s firmware is restored to its original state, which is guaranteed to work properly. If problems remain after doing a hard reset, you can safely assume that you have a hardware problem at hand. In this case, it’s best if you can have the phone checked by a professional or have it replaced.

14 Comments

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  1. Comment*
    Am using Samsung note 4 , I have a problem with my mobile data connection, I keep on receiving Mails, messages and also am able to access the Internet whiles the mobile data is off.

  2. My Samsung Galaxy S4 on Net10 (a tracphone company) updated from KitKat to lollipop because I kept getting the notification for AT&T to upgrade the device. Well, I lost my data capability although I could call out using the phone. My Net10 was s BYOP SIM card. When I installed this card a year ago, I had to configure a Net10 Access Point Name.

    The solution was this and I am not seeing it above. Evidently during the upgrading process the Access Point Namd (APN) was switched to AT&T. Selecting Net10 restored it back to everything!

    Settings>More>Mobile Networks>Access Point Names

  3. please i have a problem with my samsung s4 verizon when i open its mobile data i cant use my internet connection and its brand new american version but am in cameroon so with hotspot it cant open am so confused what can i do please to solve the problem?

  4. Hi

    I have a sumsung J3 it is eating airtime and data even when I’m not using any application and not making phone calls. How can I sort out this problems?

  5. Hi, my sumsung j3 phone eat data even not browsing or downloading and even when mobile data is off. It is also eating all the airtime when not phoning how can I solve this problems.

    Thanks

  6. Hey I have an Samsung galaxy j2 prime and it connects perfectly fine to my WiFi but the internet won’t work and I know its not a problem of the router or service becausr i have another phone that is conected to the same network and it works just fine

  7. My Samsung A3 Does not connect data at all. I tried to switch it off and on but it still gives me same problem. Please help me.

  8. I have redone ping test & soft reboot but still my samsung a5 2016 wont connect to wifi. It says “turning on” & then fails. Don’t really want to reset to factory settings as loads of music on here, is there anything else I can try?

  9. I am connecting my phone with wifi but it is disconnecting with wifi and automatically connecting to mobile data.please provide me a solution for my issue
    My device is Samsung galaxy core GT-I8262, and my operating system is android jelly bean

  10. My samsung S4 is having an issue with both the WiFi and the Bluetooth. Neither is able to turn on at all. When the WiFi button is pushed it thinks for a while and then just turns it off without activating. Same goes for the Bluetooth. The phone is virtually useless at this point unless I want to use all my data. Please help. We have tried restarting, trying to activate it multiple times, taking out the battery while the device was powered on, and factory reset with no success. The only thing I haven’t tried is to take out the innards and check out the actual hardware. Before I go this route I’m wondering if you have any other suggestions.

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