Switch GSM to LTE automatic - G3 Q&A, Help & Troubleshooting

Hello guys.
I have a problem. I got my LG G3 F410S model so im new using 4g conection.
The problem is when a call is received my phone switch to GSM mode automatically, then when the call is finished my phone doesn't turn up to LTE automatically, so I need to activate airplane mode and turn off so my LTE signal is back again.
How can I configure my phone to switch automatically LTE after calls?
My carrier hasn't 3G band working on my phone model so I only have GSM AND LTE
Thanks.

Related

[Q] Enable 2G mode?

I've finally found a toggle program (Toggle2G) that will keep the phone in 3g only when screen is off. And goes back to 4g when it is on. But, I'd like to be able to have it go into 2G mode. Is there an option to enable 2G as a selection/option?
All I have listed is:
WCDMA
GSM
WCDMA
GSM auto
CDMA auto
CDMA Only
EvDo Only
GSM/CDMA auto
So, any way to get 2G as a selection and save some battery when device screen is off?
Verizon is a CDMA carrier, no GSM sir.
I had the same selections on my GSM Nexus, which obviously do not have EvDo and CDMA.

Can't get LTE + Network to work

Hey guys! I recently bought a G3. It's a Korean Variant LG-F400L from U+. My problem with this phone is that when set to "Global" mode (GSM/WCDMA/LTE) it connects to LTE but says "Not in Service Area" whenever I try to make a call so I don't get the normal call and text services but when I set my network mode to (WCDMA Only) I get the call and text service but no LTE only 3G. So maybe Global mode prioritizes GSM? I don't know.
If I do LTE only mode, I can receive texts I believe but I can't make phone calls. I know it is not a problem with my network, as I have a Galaxy Note 3 and LTE + Calls work fine on my Note 3. Yet this G3 will only do one or the other. There is no option from WCDMA + LTE only.
IF anyone has any ideas, I would love to hear it. I'm also wondering if changing the rom would help this issue.
I should also mention that I am on another provider (SK Telecom) while my phone is a unlocked U+ phone!
Metsuna said:
Hey guys! I recently bought a G3. It's a Korean Variant LG-F400L from U+. My problem with this phone is that when set to "Global" mode (GSM/WCDMA/LTE) it connects to LTE but says "Not in Service Area" whenever I try to make a call so I don't get the normal call and text services but when I set my network mode to (WCDMA Only) I get the call and text service but no LTE only 3G. So maybe Global mode prioritizes GSM? I don't know.
If I do LTE only mode, I can receive texts I believe but I can't make phone calls. I know it is not a problem with my network, as I have a Galaxy Note 3 and LTE + Calls work fine on my Note 3. Yet this G3 will only do one or the other. There is no option from WCDMA + LTE only.
IF anyone has any ideas, I would love to hear it. I'm also wondering if changing the rom would help this issue.
I should also mention that I am on another provider (SK Telecom) while my phone is a unlocked U+ phone!
Click to expand...
Click to collapse
Hi! I guess you're in Korea? Have you tried another sim card? Is this a new phone or did you purchase it second hand?
EDIT : It sounds like a network problem.. The phone hasn't been registered correctly.
Did you make sure you have the right APN settings?
So I actually changed my mobile provider to u+ because I was off contract and my phone was able to get VoLte and LTE. So maybe the issue was the phone defaulting to VoLte? I have no idea how to turn it off on this F400L model. I've tried most of the methods I think. Any ideas how to turn it off? Either way I guess it's a little bit solved now that I can call again.
I am having the same problem
Hello Metsuna
Can you tell me how you solved the problem, I am having the same problem and cant connect to internet. Can;t make or receive any calls.
Thanks

International LG G4 does not connect to LTE after drop to 3G

I have an international LG G4 H815 on T-Mobile and the LTE works perfectly, but after it drops to 3G to connect to an incoming phone call, it won't want to connect back to 4G LTE even if I manually select LTE in the select networks menu.
Only a restart or selecting "LTE only" in the engineering screen clears the issue(but with LTE only I can't make or receive phone calls or send or receive text messages) but it is very annoying and I was wonder if anyone else had this problem.
I have the exact same issue if anyone have the solution id love to hear

Flash European software?

Hey guys, apologies if this has been asked before or if this is a silly question.
I recently bought an Asian Lg G3 d855. The software version is D85510e-GLOBAL-COM.
The phone is working fine apart from not having any 4g connectivity. I have went into settings and tried to change to GSM/WCDMA/LTE auto but it doesn't connect to 4g and switches back to GSM/WCDMA auto as soon as I exit the screen.
I have also went into the hidden menu, to LTE ONLY, RAT selection and tried to change it there but still no 4g. If I choose "LTE only" I lose my signal completely.
I have also went into band selection and chosen band 20, as this is the LTE band for my network in the UK (O2). It says success when I click on it but still no 4g.
My question is, is it possible to flash a European software version and would this enable the 4g?
Or is there any other way to enable 4g on this phone?
Thanks in advance!

LTE help

Hello,
I recently got the lg k10 ms428 (Qualcomm 210). I got LTE to work and thought everything was fine. But it turns out that when the phone is on LTE or wifi, all received calls go right to vm, and I can't make calls. To fix this I have to set the phone into gsm mode which kicks the internet to edge.
The phone is not rooted, it is running android 6.0.1, and my provider is Orange Dominicana. Orange runs LTE on band 3.
Any thought on how this can be fixed, or what the issue is?

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