Well I posted this in the Galaxy Note forums but I've had no response. So I thought I'd post it where the whole world can see. I'm on ICS ( http://forum.xda-developers.com/showthread.php?t=1661772 ), and I have really really REALLY crappy signal and data. Usually in have like 3 bars everywhere but now I barely get 1 or sometimes none. Also, it shows an H on top of the signal bar which means HSPA+ but its really 2G. I've flashed all the modems (T989 and Blaze ICS) but it just "turns off" my signal. What I mean by that is that there's an X over my signal no matter what I do. I have to factory reset and stuff in order for it to come back. So...can anyone help me? Thanks .
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Bump. Cmon people...need some help here
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Anyone else having a problem with the NxS jumping between 2G/3G network all the time?
I tried 2G-only and it seems the it does interrupt connection less often, but it still does. I'll exchange the sim card tomorrow to rule out the last option (I can think of) I got before returning the NxS and asking for a replacement.
(i9023, stock rom/kernel/radio, tried 3 stock roms with diff radios (KA3, KB3, KD1))
Maybe anyone got an idea or a hint.
Sounds like ur in a weak 3g area so it keeps goin back to 2g
Sent from my Nexus S using XDA App
docster121 said:
Sounds like ur in a weak 3g area so it keeps goin back to 2g
Sent from my Nexus S using XDA App
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Click to collapse
Granted I'm not in the best 3G area, but I usually get 3 (of 5) bars in 3G and then it just pops back to 2G.
Might be network pumping (or w/e it's exactly called), gonna exchange the sim anyway to track down the problem further.
Are u on orange in the uk
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I have this problem aswell. Thing is 2 3g bars are way faster than 4 g bars. I cant change it to use only cdma in the service menu. Anyone know why.
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So does change of simcard help?
I got it fixed for me. I tried n3 and n5 sim cards, no changes. Problems were caused by faulty antennas, after being fixed by the carrier problem was reduced to a minimum. Now to get rid of the so called network breathing, which is a problem of the used communication method itself aka can't be fixed. University ftl!! Simply too many smartphones
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Good morning.
I have a problem ..
I have a Nexus S I9020A and installed the ICS of the beam, but not really like.
But now the problem is that sometimes I get no network! and I can not make calls or send messages ..
already moved to the radio KF1 and this happens ..
Last night everything was ok, but today morning it was with this problem ..
Rebooted and is now working ..
what can I do?
Now I have the new rom of oxygen with the kernel of the franc.
Thank you!
Well, now I went to an area where the network is low, and sometimes do not even have.
Turns out I've been moving in the part where I choose the network automatically or manually, and now when I have network, I get no service, and it appears over a triangle with an exclamation point to say that the network tmn is not available, or something like this ..
I too would like a fix... I just bought the phone coming from a vibrant thinking, sprint, 4G, Google nexus s, hell ya! The minute I left I noticed service was surprisingly low compared to my vibrant. I figure throw a custom rom, kernel, modem package would fix it.. nothing. Full 3g at home on the vibrant... lucky to see 2 bars (in fact I haven't EVER seen 4 bars on here anywhere) . Pretty close to returning it... I thought the now network meant faster speeds... just a catch phrase I guess.... I've flashed the 3 radios posted and all three didn't change my signal at all....
Sent from my Nexus S 4G using xda premium
Well after trying cm10 for a while I decided to come back to synergy because it was still a bit buggy. Now however I cannot seem to connect to 4g. None of my imei stuff was changed it just appears that the LTE is broke. Any ideas ? Thanks in advance.
Sent from my SCH-I535 using xda app-developers app
Try Phone Info from the Market
In device information goto set preferred network type.. LTE/CDMA/EvDo
Thank you good sir. That will probably do the trick ( out of a 4g zone right now )
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Be careful with phone info. It messed up my 4G to the point where I couldn't get it back
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---------- Post added at 09:33 AM ---------- Previous post was at 09:32 AM ----------
Go to the dialer and dial
*2767*3855#
I tried that and it got my 4G back. It will wipe your phone tho but will still be on the same rom
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I'm having the same loss of LTE/4g issue as the OP, but when I dialed *2767*3855# all I got was a "Welcome to Verizon Wireless, your call could not be completed as dialed" message.
What am I doing wrong? Do I have to be in an LTE area to do this (My work/social life is a 4g area, home is not.)?
Thanks!
Does it say h+?
From someone that helped me. I was told the following
ATT never called their HSPA+ 4G until TMo started advertising theirs as 4G. If TMo can why cant ATT? ATT has had HSPA+ long before TMO has after all, but only overseas unlocked phones utilized it. TMo howevrr put a lot more money into building up their H+ network while ATT put it into LTE. and their H+ speeds differences clearly show that.
Anyways.. 
To better clarify for those coming from stock
Stock Rom. = CM10
4G LTE = 4G
4G = H+
Not sure if stock rom considers regular HSDPA (H) as 3G or 4G....
3G = 3G
E = E
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You lost me
stealthieone said:
Does it say h+?
From someone that helped me. I was told the following
ATT never called their HSPA+ 4G until TMo started advertising theirs as 4G. If TMo can why cant ATT? ATT has had HSPA+ long before TMO has after all, but only overseas unlocked phones utilized it. TMo howevrr put a lot more money into building up their H+ network while ATT put it into LTE. and their H+ speeds differences clearly show that.
Anyways.. 
To better clarify for those coming from stock
Stock Rom. = CM10
4G LTE = 4G
4G = H+
Not sure if stock rom considers regular HSDPA (H) as 3G or 4G....
3G = 3G
E = E
Sent from my SGH-I747 using Tapatalk 2
Click to expand...
Click to collapse
benwin113 said:
You lost me
Click to expand...
Click to collapse
Is the problem you're having that you see h+ instead of 4g?
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benwin113 said:
I'm having the same loss of LTE/4g issue as the OP, but when I dialed *2767*3855# all I got was a "Welcome to Verizon Wireless, your call could not be completed as dialed" message.
What am I doing wrong? Do I have to be in an LTE area to do this (My work/social life is a 4g area, home is not.)?
Thanks!
Click to expand...
Click to collapse
You need to be on stock, if you weren't.
benwin113 said:
I'm having the same loss of LTE/4g issue as the OP, but when I dialed *2767*3855# all I got was a "Welcome to Verizon Wireless, your call could not be completed as dialed" message.
What am I doing wrong? Do I have to be in an LTE area to do this (My work/social life is a 4g area, home is not.)?
Thanks!
Click to expand...
Click to collapse
make sure u are oon a touchwiz rom, then it should work
Well depending on what CM10 Rom you flashed it could have flashed a new kernel. Try reverting back to the stock kernel and see if that works for you. I would also recommend another fresh install of the rom. Occasionally mine does that to depending on what Rom I'm coming from.
Had this happen to me when I flashed d2vzw the other night. Downloaded Phone Info from Play and my phone was set to generic gsm. Changed it back to LTE and it was all good after that.
qqhorus said:
Had this happen to me when I flashed d2vzw the other night. Downloaded Phone Info from Play and my phone was set to generic gsm. Changed it back to LTE and it was all good after that.
Click to expand...
Click to collapse
I've tried that. No matter what I change it to 4g has not come back.
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flashing a new rom sometimes seems to make me not be able to get 4g, I'm in a strong 4g area. But I just leave it be and it fixes itself within 10 mins or so
DertyDOH said:
flashing a new rom sometimes seems to make me not be able to get 4g, I'm in a strong 4g area. But I just leave it be and it fixes itself within 10 mins or so
Click to expand...
Click to collapse
I don't know if that's true for my case. I've had different roms while at work and it doesn't go to 4g. On a 30 min drive to work its only g or e
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My unlocked AT&T Mini averaged 2-3 bars before I put the stock international ROM on it. Now I get 0-1 bars, but everything seems to be working ok.
My first question is - can a ROM have any effect on reception? And if not, is it possible to put the stock T-Mobile HTC One M7 ROM on the Mini, or are they incompatible? I'd like to get T-Mobile software for the Wi-Fi calling feature.
Thanks for any help.
DO NOT USE "One M7" ROMS WITH YOUR "One mini M4"!
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Thanks - that's what I figured. Any ideas about the reception issue?
I've had the note 5 for a little over a month now, and the only thing I hate about it is the terrible cellular signal. Even if the phone is showing 4 bars of LTE I still have really poor signal. I'm on the Sprint Note 5 obviously, rooted and running Moar Rom Version 1.2. Is anyone else having poor signal? Does anyone know how to change the PRL, or if its even possible?? Is there anyhting I can do? Maybe get a new phone, lol!!
My service has been better actually. Of course I'm coming from an s3 too.
I have horrible signal to especially indoors, it drop to 3g with 1 bar
migjr415 said:
I've had the note 5 for a little over a month now, and the only thing I hate about it is the terrible cellular signal. Even if the phone is showing 4 bars of LTE I still have really poor signal. I'm on the Sprint Note 5 obviously, rooted and running Moar Rom Version 1.2. Is anyone else having poor signal? Does anyone know how to change the PRL, or if its even possible?? Is there anyhting I can do? Maybe get a new phone, lol!!
Click to expand...
Click to collapse
Settings/system update....you can update your PRL & Profile there
Same issue....phone does not work where my sprint note 2 worked fine everyday....Could have all bars and still not work.