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Samsung Galaxy S4 4.4.2 Connectivity Issue!


Userlevel 3
I am using an Unlocked Samsung Galaxy s4. Model SGH-1337M. It was working completly fine on Android 4.3. But since i updated it to Android 4.4.2 last month I have been experiencing network issues. I am not sure if this problem is phone related or network related. I contacted samsung and they said they havnt recieved this complaint from anyone and said to try to change SIM cards. I experiencex some other laggs and bugs when i initially updated to 4.4.2 but those were eliminated after i performed a factory reset on the device. Only the connectivity issue remains. I will describe the issue in detail below. When the phone is sleeping sometimes the network bars on the phone go to zero and the phone doesnt notify of having 0 bars or no connection but it seems as if the phone thinks there is network but calling/texting doesnt work. even when i go into settings to search for network it just stays frozen and also if i try changing network mode the settings dont change anything. The only solution that works is that i restart my device and i get the network bars again. There is no specific region this happens at. This is giving me major problems because I dont know when there is network and when there isnt unless i wake up the phone and check if there are barsm So i cant gurantee myself to recieve calls or texts while the phone is sleeping without verifying it every time. Has anyone else experienced this problem? What can I do to fix it? Any help is appreciated. I can show a screenshot of how the network bars are 0 if needed.

93 replies

Userlevel 7
I can't say I've experienced anything like this myself nor have any of my customers reported anything to me... but you could try asking Koodo for a $10 bill credit, then go to a kiosk that sells postpaid and buy a new SIM for your phone ($10 + tax) to see if that makes a difference in your service. It could be scratched up, worn out, or simply a dud.
Jonathan I wrote:

I can't say I've experienced anything like this myself nor have any of my customers reported anyt...

I changed the SIM card 3 times
Jonathan I wrote:

I can't say I've experienced anything like this myself nor have any of my customers reported anyt...

YES! My phone just started doing this 10 days ago.Nobody can not reach me, my phone didn't even ring. I didn't get any texts either. It's so stressful when you're waiting for a very important call.Please advise how to fix this issue.
Jonathan I wrote:

I can't say I've experienced anything like this myself nor have any of my customers reported anyt...

See my post on the second page. It should "fix" the problem until another update comes out. I also like Amuk Sandhu's suggestion about a custom update.
Jonathan I wrote:

I can't say I've experienced anything like this myself nor have any of my customers reported anyt...

It's the rom root it flash it out problem solved
Userlevel 7
Badge +4
I don't have a SIM Card in my S4 right now so not sure exactly the wording they use but basically go into settings - more networks - mobile networks - and turn off LTE so it's running on HSPA Only and see if that does anything.
My S4 has started taking an hour to recognize a change in network. This started before the kit kat upgrade. Rogers says it is a phone defect.
Areal Canine wrote:

My S4 has started taking an hour to recognize a change in network. This started before the kit ka...

Hi. Rogers is wrong. It is not the phone defect. It's the Android 4.4.2 and there are a lot of bugs in 4.4.2. I have similar issue and what I do is to restart my phone and everything went to normal.
Areal Canine wrote:

My S4 has started taking an hour to recognize a change in network. This started before the kit ka...

i had the same issue before I updated to 4.4.2 so I think its more than the current update
Areal Canine wrote:

My S4 has started taking an hour to recognize a change in network. This started before the kit ka...

i got a problem alike then 1 of my friend told me about http://www.wilsonamplifiers.com/ , n seriously it works
Userlevel 3
Thanks guys for the replies. I considered Paul's advice and changed my network mode to "WCDMA only" since about 2-3 days and I haven't experienced this problem again so far. I do loose the "LTE" connectivity with this and mobile data runs on a 4G network. I will let you guys know if it happens again under this setting. Thanks!
YES! My phone just started doing this 2 days ago. My teen was at work calling for a ride home and my phone didn't even ring. I didn't get any texts either. Everyone and their brother was calling me but my phone didn't ring. I had no bars. I called Tmobile and they told me to switch my network from LTE/WCDMA/GSM (auto connect) to WCDMA/GSM (auto connect) while they work on the connection issue for 72 hours. All seemed fine. I woke up this morning to make a call and it wouldn't go through. NO BARS! Checked my network connection and none of the options were selected. I restarted my phone and bars were back. So it's losing connectivity for some reason. $650 phone! I am so aggravated! Never had this problem before installing 4.4.2 Kitkat!
I am now post KitKat upgrade and have tried moving the connect choice to without the LTE option. Problem NOT resolved. Rogers has sent me a refurbished phone. Better than nothing I suppose although I see it as the equivalent of a used car. Early next week I will test the refurb where it will have to change provider and change back and see what happens.
Userlevel 7
Badge +4
Areal Canine wrote:

I am now post KitKat upgrade and have tried moving the connect choice to without the LTE option. ...

As far as your issue maybe it's with Rogers as I never had good experiences with them personally it was nothing but problems. I switched to Koodo and haven't had a single issue, heck I've never ever even had to call customer service or return anything at all in 3 years with Koodo.
Areal Canine wrote:

I am now post KitKat upgrade and have tried moving the connect choice to without the LTE option. ...

living in ireland on the 3 network had problems losing data connectivity but when i switched to wcmda mode and not lte include it fixed the problem
Areal Canine wrote:

I am now post KitKat upgrade and have tried moving the connect choice to without the LTE option. ...

Leaving in oman on friendi network&i had problem s lossing data connectivity ¬ working in wcdma mode please give a sugesson
Areal Canine wrote:

I am now post KitKat upgrade and have tried moving the connect choice to without the LTE option. ...

I have the same issue in Singapore. Leaving the phone on 'WCDMA' mode only resolves the issue but whats the point of paying so much more for the LTE subscription and LTE handset if I can only use it on WCDMA mode? this is frustrating. if anyone knows the resolution to this issue, please let it be known.
Userlevel 3
Guys try selecting "WCDMA only" not "WCDMA/GSM(auto connect)".
Userlevel 7
Badge +4
Amuk wrote:

Guys try selecting "WCDMA only" not "WCDMA/GSM(auto connect)".

Exactly what I meant, you got it man. How's it working now is it still good?
Userlevel 3
Amuk wrote:

Guys try selecting "WCDMA only" not "WCDMA/GSM(auto connect)".

Yup thanks a lot man. I haven't experienced it since then.
Userlevel 7
Badge +4
Amuk wrote:

Guys try selecting "WCDMA only" not "WCDMA/GSM(auto connect)".

Awesome glad to hear. Have a great one Amuk
Amuk wrote:

Guys try selecting "WCDMA only" not "WCDMA/GSM(auto connect)".

But this option is not seen in my phone pls help I mean the WCDMA Only not available... Available network in my phone is 2g/3g auto 3g and 2g So which one of these three is the wcdma only
Userlevel 3
The issue might be due to the (auto connect) options in 4.4.2
I am having this same issue on T-mobile with my S4 since the kitkat update. I don't want to have to sacrifice LTE connectivity... is there a better fix for this?
Stupid Tmobile told me again over the weekend that they are not aware of any problem such as this with the 4.4.2 and that all bugs were fixed in March. Well I didn't download it until April! I told them about this site and several others proving it is not just a t mobile issue. They told me I have to factory reset my phone. Now I have to back up all my apps, pictures, and texts with another app. Then reset my phone. Use it for 2 days before adding in any apps, one at a time, for a couple days each. They want to make sure the software isn't being interfered with by any apps. Then I'd that doesn't work, I need a new phone! So friggen aggravated!

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