Data Stall - Galaxy Note 4 Q&A, Help & Troubleshooting

anyone have an issue with AT&T with the exynos version. N910C with data stalling? still shows H+ or LTE. but data has stopped and have to reboot to fix it

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Galaxy s5 g900t not showing 3g help

Got galaxy s5 g900t running stock letest rom ..every thing working fine ..only problem is it's not showing 3g or h+ etc..always shows 4g even in 3g ..and when 4g working it's shows lte and 4g..
Please help me to solve this issue
So it is always showing 4G no matter what connection you have? Try rebooting it or factory resetting but I'd be happy if I can say to my friends I have 4G even though I don't.
Lol u right ..n uea its always shows 4g no matter if its 3g or 4g sim ..
I have to get rid of it to get note 4 that's why I'm trying to fix it ..
Tried factory reset etc nothing worked ..

Problem Keeping LTE Signal

I am having a problem on my phone where I am frequently losing LTE - my phone goes to 4G and I have trouble with data.
If I turn Mobile Data off and back on it connects to LTE again.
This seems like it started happening after I updated to the GoldenEye ROM - before that I feel like my LTE coverage was a lot better and more consistent.
Can anyone advise me on how to diagnose and hopefully fix this issue?

910C LTE and 2G works, but no WCDMA

So the thing is, a month ago my note 4(6.0.1) for some reason stopped working in 3G or 4G.
Things I've done in order to fix it:
- factory reset
- updated to the latest baseband
- changed sim-card to latest possible
- changed carrier
So right now I'm using a different carrier and have 4G and 2G, but when I switch to 3G, for some reason I can't use internet at all.
Is there a possible fix for this issue? Can this be a hardware problem, considering that 4G and 2G are still fully working?
Also, during 3G usage I've checked service mode menu and it says GMM State: Limited Service.
When I use 4G or 2G, it doesn't show this.
What can this possibly mean?
thanks

Problem with LTE data connection

I have the Sprint variant, G900P.
Data via wi-fi works consistently and well; mobile data is the problem.
Data via 3G works most of the time but data via LTE does not work - apps show 'unable to contact server'. This is not related to signal strength or a specific tower. LTE lights on the notification bar, but no data transfers. Occasionally, but not consistently, if I cycle 'mobile data' then a data connection establishes in LTE but soon disappears, even tho signal strength and LTE connection remain.
Is this a modem problem? Phone is rooted and running a slightly debloated stock 6.01 ROM (CQD1).
seattleal said:
I have the Sprint variant, G900P.
Data via wi-fi works consistently and well; mobile data is the problem.
Data via 3G works most of the time but data via LTE does not work - apps show 'unable to contact server'. This is not related to signal strength or a specific tower. LTE lights on the notification bar, but no data transfers. Occasionally, but not consistently, if I cycle 'mobile data' then a data connection establishes in LTE but soon disappears, even tho signal strength and LTE connection remain.
Is this a modem problem? Phone is rooted and running a slightly debloated stock 6.01 ROM (CQD1).
Click to expand...
Click to collapse
You may want to contact sprint to make sure its not your SIM card or the modem itself going out.
You can try and wipe the phone and go back to a regular stock, it may or may not help tho.

Galaxy s10+ Sprint Unlocked issues on other network.

Let me start by saying that this phone works great. I had it unlocked and practically all is well. There is one issue i am having.
The phone will not automatically reconnect to LTE. My carrier does not support voLTE so it switches to 3g for calls. After a call, the phone stays on 3g and I have to manually toggle the 3G and LTE under network settings to get it to go back to LTE. My carrier uses Bands 12 and 17 and both of these bands have strong signal on the phone when connected to LTE.
I also installed the stock U1 firmware on the mobile to remove all the sprint bloat. Now this issue is the only peeve. I did factory reset it and I also reinstalled the firmware a second time to no avail. The phone did the carrier provisioning on initial start-up after sim was inserted. So I am at a loss.
I had an At&t s10+ which I sold and never had these issues and i did the very same to it as well. I was going to by the OnePlus 7 Pro but i loved the s10+ so i had to go back. It is not such a big deal because i don't make that many calls or receive so many but it is bit annoying. Any solutions?

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