Switch between 3G and 4G lte - Galaxy Note 3 Q&A, Help & Troubleshooting

Hey all,
I am using a rooted MJ3 with Mj2 modem. I have noticed that when the phone switches between 3G and 4G the network connection is lost during few seconds (between 5 and 30sec). To compare, when reaching a known wifi area, both are working together few seconds to have a smooth switch between the 2.
The bad thing is that this breaks some running stuff
Anyone has this behavior ?
Thanks
Envoyé de mon SM-N9005 en utilisant Tapatalk

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[Q] Auto Connect Lte/wcdma/gsm Stopped Network few second

Hello guys ,,
My Network Freeze and stopped few second when the network switch from LTE to WCDMA or GSM ,, !! that's make any download failed
Any solution ?
NOORHASHIM said:
Hello guys ,,
My Network Freeze and stopped few second when the network switch from LTE to WCDMA or GSM ,, !! that's make any download failed
Any solution ?
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up
It's normal, because changing the Net.
No Solution!
Same you change the WLAN at the moment of downloading.
From LTE to WCDMA, or from LTE to GSM. It doesn't matter. Connection will be disconnected and reconnect after switching to the other band.
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buell47 said:
It's normal, because changing the Net.
No Solution!
Same you change the WLAN at the moment of downloading.
From LTE to WCDMA, or from LTE to GSM. It doesn't matter. Connection will be disconnected and reconnect after switching to the other band.
Gesendet von meinem SM-N9005 mit Tapatalk
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Ooh No
I was downloading 1.85 Gb from google play by my mobile data .. but again failed because network switching to other band
that's make me checked WCDMA only
Yes, or don't move if you get a good LTE Signal and wait to complete your download
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buell47 said:
Yes, or don't move if you get a good LTE Signal and wait to complete your download
Gesendet von meinem SM-N9005 mit Tapatalk
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You are right
This is actually normal. Because LTE is a Data-Only signal, it needs to turn Data off for a second to reconnect to the signal with a voice-codec.

How does s4 dial/receive calling on LTE?

So as we know, LTE is data connection and doesn't support voice service by now , so there are 3 ways of workaround.
1. VoLTE, isn't available for now anyway.
2. CSFB, means connect to 4G in use, but switch back to 2G/3G when calling, where Internet will get killed if on switch back on 2G.
3. SVLTE, means connect to both LTE and 2G/3G , data goes on LTE and voice goes on 2G/3G, of course battery life is reduced.
So I was wounding how does our s4(i9505) work on such matter?
Anyone please?
来自我的 GT-I9505 上的 Tapatalk
Looking on the icons during the call, the data connection usually disappears during the call. Therefore I'd presume that all data connections are terminated.
spamtrash said:
Looking on the icons during the call, the data connection usually disappears during the call. Therefore I'd presume that all data connections are terminated.
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I saw that, but consider my LTE signal is very weak indoor, I will try where has better signal
来自我的 GT-I9505 上的 Tapatalk
qtwrk said:
I saw that, but consider my LTE signal is very weak indoor, I will try where has better signal
来自我的 GT-I9505 上的 Tapatalk
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I observed this in LTE, 3G and 2G range already. ALL means ALL.

Regaining phone signal problems?

Anyone else having issues with the phone never regianing its phone signal after being in an area with no signal, and have to turn on flight mode and off again to get a signal very annoying.
Yes, same here
Enviado de meu SM-N9005 usando Tapatalk
Thankfully, no. I loose signal about 30 times during the average train ride, but it picks back up nearly straight away.
Its doing my head in sometimes I can go over a day with realizing and miss texts and phone calls
Went through hell yesterday on the underground in london, my phone gets signal as soon as it picks it up, what modem/rom combo are you using?
Sent from my SM-N9005 using Tapatalk
blair287 said:
Anyone else having issues with the phone never regianing its phone signal after being in an area with no signal, and have to turn on flight mode and off again to get a signal very annoying.
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Click to collapse
Try to put your phone in auto select operator. No manual select operator. And after that see tahat your problem persist.
I am getting constant data drops i.e. no data icon or internet, even though my note still shows data connected from quick settings bar, where I work the signal is a bad area indoors, also at home for the same reason, my work around is to switch airplane mode on and off again to restore data connection.
I have noticed this on all the 4.4.2 kitkat variants I have tested.
using latest stock 4.4.2 when you say auto operator is are you on about lte/gsm etc auto?
gadjet said:
I am getting constant data drops i.e. no data icon or internet, even though my note still shows data connected from quick settings bar, where I work the signal is a bad area indoors, also at home for the same reason, my work around is to switch airplane mode on and off again to restore data connection.
I have noticed this on all the 4.4.2 kitkat variants I have tested.
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I found that grabbing the latest rom for your region and then flashing that and performing a full wipe sorted my issue when I had it.
Also, make a backup in Kies as this makes it slightly less painful to do.
It sent me round the twist, but luckily it is much better now!
blair287 said:
Anyone else having issues with the phone never regianing its phone signal after being in an area with no signal, and have to turn on flight mode and off again to get a signal very annoying.
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Same boat here
It look like modem not work best with you provider, try different modem if you can, it's still not fix and then hardware failure.
-Mine re-gain signal very quick, it's best signal compare to all of phones i current have.
Sent from my Nexus 7 using Tapatalk
celderic said:
Went through hell yesterday on the underground in london, my phone gets signal as soon as it picks it up, what modem/rom combo are you using?
Sent from my SM-N9005 using Tapatalk
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Full stock, 4.4.2 DBT German Unbranded, not rooted.
PDA: N9005XXUENB7
CSC: N9005DBTENB2
MODEM: N9005XXUENB1
Network Mode set to 'LTE/WCDMA/GSM (Auto Connect)'.
Network Operator set to Auto.

Only Getting 'H' Signal Following Update

Hi,
I updated to D80220D yesterday through the LG support tool, but i've noticed that im not seeing 'H+' displayed any more even in locations where I usually do see it.
Im on Three and the correct APN setting are in and ive got the network selection set to GSM/WCDMA/LTE auto.
Any ideas?
Ok, so i've done some further investigating and after looking at the hidden menu *#*#4636#*#* i can see my signal cycling between HSPA and HSPAP which I assume is H and H+ respectively. But when it says HSPAP my icon stays on H and doesn't show H+....so now im even more confused. Its like im getting that signal but it is not displaying to me graphically.
On stock 4.4.2 rom on nexus 4 H+ is also showed as H
Verstuurd vanaf mijn LG-D802 met Tapatalk
I have a D80220A Hong Kong international version and it doesn't show H+ never. In settings, it shows HSPAP sometimes... I think it is only a Rom issue, but the phone is working in H+ because of HSPAP
Enviado desde mi LG-D802 mediante Tapatalk
D80220A Croatia version, phone from Thailand. It does show H+ for me.
Sent from my LG-D802 using Tapatalk
In PANAMA BUILD D80220C
In Panama with build D80220c does not show H+ but in settings and in the hidden menu shows HSPA HSPAP alternativily.

LTE after loosing signal takes for ever

Every time if by some reason I loose signal (using and elevator, going in an underground parking, etc) it takes a very long time to get it back. Sometimes several minutes which is really annoying. Most times it set on E, then I have to go to airplane mode of other tricks in order to get it to LTE or H+. I've already change Sim card. Any ideas?
Enviado desde mi SM-T810 mediante Tapatalk
It's a bug, till google fixes it, use the airplane mode switch.
Also have the same problem on Verizon in the US.
Yep I just always toggle Airplane Mode in this situation.
Does the same for Sprint.
I don't lose signal. I do somehow switch to 3g from LTE but from what I've read that's a mmb29q mm bug. Never taken me several minutes to do anything on my device. Only thing I do notice is sometimes I get on 3g and I can get back LTE if i update my prl (I'm on Sprint) and reboot. This is a mm bug not carrier spacific from all I've read.
Sent from my Nexus 6P using Tapatalk
This has happened since eclair, if not earlier, and seems to be inconsistent over networks and devices. I've found it happen most often in places with overlapping cell towers with poor signal quality.
However, if you enable developer settings there are toggles for aggressive handover and maintaining mobile data with WiFi that may help to alleviate your issue.
Ok, so I switched to Cricket a while back from Verizon. I didn't notice the data drops on Verizon. But every aosp rom I've run has had some jank to some extent. Cm13 gives me the best connectivity, period, as far as wifi and data, speeds, etc. My favorite rom is screwd. It's the worst for me with lte and wifi drops. My phone won't stay on either one for an extended period of time and doesn't handoff to lte very well. What I've noticed, after reboot, is that aosp roms aren't selecting your APN and you have to manually hit that. Then sometimes, for me anyways, I have switch to 2g (the switch where the lte preferred is) then switch back to lte preferred. And that switch brings back lte faster than anything for me. Cm 13 is flawless though. It works like it should.
Sent from my Nexus 6P using Tapatalk
Ok , so did you all see post # 237 from Jason J in this thread: https://code.google.com/p/android/issues/detail?id=197102#c273 ?
Its been a week of continuous LTE. Running 6.0.1 build MMB29M from the factory. did not do any updates. no issues.
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I'm going to try this. I'm presently running with sytsemless root. Is it possible to load this without having to completely wipe the phone?
https://productforums.google.com/forum/#!topic/nexus/T5Awh6VqsG4;context-place=forum/nexus People need to sign this , get some attention on this

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