[Q] Galaxy S4 SGH-i337 at&t foxhound rom ...losing data connectivity - General Questions and Answers

Ever since i flashed the Foxhound rom 0.8/0.9 on my S4 i've been randomly dropping Edge/H/H+. Never did this with TW. I have noticed a slight pattern...it drops mostly after i've gotten off a phone call, but other times i'll just glance at it and its gone for no reason. Usually calls for a restart, turning mobile data off and back on does nothing, and airplane mode on and back off sometimes works. Could this be a kernel issue? Using Adam-1.4+, but its done this with KTweaker as well as Faux123. Any ideas?
Sent from my GT-I9505 using xda app-developers app

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Can't regain signal without restarting

Completely stock phone... I never messed with it from day 1.
So here's the thing... everytime I take a subway and after the get out from underground the phone never regains the 4g data icons... the signals are there but it doesnt let me browse the web or use any apps that require a data signal.
Restarting the phone solves the problem...
But at work everytime I go to the basement and come out.. I completely lose the signal and do not automatically regain it once I'm out on the street... this made me miss many calls and incoming texts... I also switched my sum card 2 weeks ago for the newest 4g Sims... it helped for about 2 days.. but now same thing happens all over again..
Any tips?
sent from stock galaxy s 4G
Try toggling flight mode on then back off.
Sent from my SGH-T959V using xda premium
Did that... it rarely works... but either way... its not good when a phone can't regain a signal... because its in my jeans the whole time... and I get a lot of missed calls due to that... its horrible.
Does anyone else experience this problem with their galaxy s?
sent from stock galaxy s 4G
I gave it happen too. Annoying.
Sent from my SGH-T959V using XDA App
If its completely stock I would call in the warranty.
Sent from my SGH-T959V using xda premium
If you've always been using stock, then you should try your hand at flashing GB.
Try out some new modems too. It might solve your problem.

Wifi power boosting?

How can I safely boost the power to my wifi? I'm using hyperdrive rls10. 4.1.2.....I used to get wifi in my garage, but I was on hyperdrive rls9. I updated rom's and now I can't get any wifi the second I walk out the door...lol any ideas????
Sent from my SCH-I535 using xda premium
Same situation with CM rom in my samsung galaxy S3.
Stock rom wifi was great, but CM 10.1 wifi drops every 10mins, and take about 3mins to restore.
Been told must be phone hardware related.
Need some solutions as well.
That sux, my wifi stays in, just the range is crappy. Very very very off....
Sent from my SCH-I535 using xda premium

Signal dropping then coming back

I'm on T-Mobile here in the US. Not sure if anyone else is having issues. I've had my phone since the 6th. Up until yesterday it's all been perfect. Now every now and then the service just drops to "no service" followed by "emergency calls only" then finally comes back to normal. When I have signal, it's good. 4-5 bars. The drops are random. I'm stock + root.
Anyone else having problems?
Same thing is happening with Rogers
Sent from my Nexus 5 using xda app-developers app
Hmmm... I have tried a couple ROMs but none lasted long enough without bugs to notice. I also flashed the stock image again just to be sure and it's still there.
There's an ongoing thread already on XDA:
http://forum.xda-developers.com/showthread.php?t=2525583
Also, there is a thread where a rep from Google, Paul, has acknowledged the issue. Please post your issues there for them to track/investigate:
https://productforums.google.com/forum/m/#!msg/nexus/T5ey4dttBOA/v9OaGzPxESwJ
Unlocked, stock rooted, stock kernal, and I'm having the same issues. Very slow when switching from lte to 3g and back to lte, sometimes it doesn't switch back to lte. Also the loss of signal. I though if factory reset back to stock but I guess that's not the issue.
Sent from my Nexus 5 using Tapatalk
Same very erratic here in at&t lte
Sent from my Nexus 5 using XDA Premium 4 mobile app
I don't think it's the networks, I think it's the hardware
Sent from my Nexus 5 using xda app-developers app
dicecuber said:
I don't think it's the networks, I think it's the hardware
Sent from my Nexus 5 using xda app-developers app
Click to expand...
Click to collapse
According to this link:
https://productforums.google.com/forum/m/#!msg/nexus/T5ey4dttBOA/-DgsOajavnsJ
It's a software issue.. I am getting the same thing on Rogers. I only get it after a call or when sending SMS. Frustrating issue, to put it mildly
I switched to bricked kernel my connections have been solid. Later I also switched to the Cataclysm ROM and so far so good.
I think it is a software issue.

3G data hangs

Having a weird issue thats been persistent since I got the phone to be honest back in January, when I am using the phone 3g data will hang and all services that require internet will not work. And the 3g icon stays white and not brown so its not a connection issue, never happened on my s3 once and i have been with three for 3 years now. Texts also do not send when this happens. Anyone? All stock no root. Happens rarely but when it does it will not come back for about 10 minutes
Sent from my GT-P5110 using xda app-developers app
samkent6 said:
Having a weird issue thats been persistent since I got the phone to be honest back in January, when I am using the phone 3g data will hang and all services that require internet will not work. And the 3g icon stays white and not brown so its not a connection issue, never happened on my s3 once and i have been with three for 3 years now. Texts also do not send when this happens. Anyone? All stock no root. Happens rarely but when it does it will not come back for about 10 minutes
Sent from my GT-P5110 using xda app-developers app
Click to expand...
Click to collapse
Just check restrict background data from data usage option under settings!
Sent from my Nexus 5 using Tapatalk

[Q] keeps loosing phone connection

Starting a while ago my phone keeps dropping its connection (every 10 seconds) so it looks like it in airplane mode without the airplane. Empty triangle. Its not the carrier, because the my wife's S4 has the same and no problems.
I thought it could be one of the problems described here, but nothing there fixed it.
Made a screen recording of the problem here.
Has this happened to anyone else? How was it solved? If not, other suggestions?
Are you running stock or rooted or is your phone running custom software?
Sent from my Nexus 5 using XDA Premium 4 mobile app
It started with everything stock. Trying to fix the problem I rooted it. Except for that all is still stock.
Sent from my Nexus 5 using XDA Premium 4 mobile app

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