[GUIDE][No Root][5.0][4.X] Enabling LTE Without Root - G3 General

EDIT: Clearly now that there are custom ROMs, this will be less likely an issue. But @icheyne pointed out a good method that will work on most ROMs I believe, since it uses Android's default testing menu.
For those seeking a permanent solution, you WILL need root.
Currently no permanent solution on LG Stock Lollipop.
Here is some information about my situation:
-Currently on Fido Network in Canada (LTE Band 7 [2600 MHz])
-I have achieved LTE speeds of 31mbps (Down) and 25mbps (Up).
-I am rooted, but it should work without root access.
-Firmware is stock V10h-TWN-XX
-Network mode only shows GSM / WCDMA
Before you begin, this is what you need:
-An LTE micro sim.
-Do some research on which LTE bands your network uses and if your variant has the ability to use that band.
-Correct LTE APN settings for your mobile carrier. Make sure it is LTE APN, my carrier has two separate ones (Regular, LTE).
-Mobile Network does NOT have to be turned off (You can keep data on during all of this).
-With Mobile Network on, go into Settings -> About Phone -> Network and remember what is written under "Mobile network type".
-Make sure you are in a location that has decent LTE connection.
METHOD FOR LG STOCK LOLLIPOP
1) Open up your Dialer, and type in the following to enter LG's Hidden Menu: "3845*#855#" for D855 (If your model is not listed, please do Google it!)
"3845*#850#" for D850
"3845*#851#" for D851
"3845*#852#" for D852
2) Go down and select "LTE-Only" and go into "Modem Settings"
3) Now select "RAT Selection" and click on "GSM/WCDMA/LTE auto"
4) Without rebooting, the data icon switched from "H" / "3G" to "4G" for the first time (Turn on Mobile Network if you haven't already)
5) Now go into Settings -> About Phone -> Network and under "Mobile network type" it should have "LTE" instead of what you had before
Currently no permanent solution, each time you reboot, switch to 2G/3G, or go into "Mobile Networks" menu, you will lose LTE
But it's okay, redoing steps 1 to 3 will get LTE back once again. Tedious, but at least it works
--------------------------------------------------------------------------​
QUICK METHOD (Working for all Jelly Bean ROMs & some Lollipop ROMs) (Thanks to @icheyne)
1) Go into Dialer -> Dial *#*#4636#*#* -> Phone Information
2) Scroll down to "Set preferred network type:" and click on the pull-down menu
3) Select what type of setting you want, I personally keep it on "LTE/GSM/WCDMA"
4) Select "LTE-Only" and go into "Modem Settings"
5) Without rebooting, the data icon switched from "H" / "3G" to "4G" for the first time (Turn on Mobile Network if you haven't already)
6) Now go into Settings -> About Phone -> Network and under "Mobile network type" it should have "LTE" instead of what you had before
7) [ROOT][Permanent LTE] For myself, I used a root explorer (ES File Explorer) and go into "/system/app" and delete (or move) LteConfigs.apk and LteConfigs.odex. Now you should be able to go into the "Mobile network" menu and it should have the "GSM/WCDMA/LTE auto" setting. Thus making LTE a permanent option.
Those without root access will lose LTE if they restart, switch to 2G/3G, or try to go into the "Mobile network" menu.
If you have any questions, please leave a reply. Hope this helped.
If anyone who cannot get this to work, please post with your details (firmware, carrier, LTE band, etc...).

i have heard some reports that updating some settings in the hidden menu will work, but after restart, it will just go back...hmmm.. this one retains the LTE option?

Yes, after having it on for a few days, restarts, as well as going to an area of weak reception will not affect it. It will sometimes jump back to 3g in weak signal spots (underground), but after I go outside, it will switch to LTE automatically. I should probably update the title since I've learned that this applies to other models as well.
EDIT: @chacho_2me So I found out what breaks the LTE, but it's not major unless you manually switch from LTE to 2g or something like that. Step 11 should say it all, just don't go into the mobile network menu, and you should be fine.

thanks dude..currently im roaming....will try this one when im at home
thank you so much sir.. hope i could help you sometime
I really dont know why LG didnt notice not having the LTE option on othe releases
anyhow...thanks again dude

@chacho_2me Very sorry, I don't know what happened, but unfortunately restarts reverts it back to 2G/3G. But I'll look around to see what I can do to get it to retain, will most likely need root.

If it already states LTE under Settings > About Phone > Network, would you still recommend going ahead with this tweak?

@Curleyyy Are you getting LTE reception though? If you are, then you don't need to do this. This isn't really that much of a tweak, more like just some hidden settings, that's all.

If I'm not mistaken > 2G > 3G >4G > 4G LTE ?? Reception around my place is usually 3G with a bit of 4G occasionally.

@Curleyyy In terms of speed, LTE is currently the fastest. But reception wise, it might not be the best choice. If you are in an area with poor 4G/LTE reception, it is best to go with 3G connection. If you like to find out exactly which regions have 4G/LTE, I'm sure your carrier will have that information on their website.

Thank you so much
It's working fine on Fido. A heartfelt Thank you
Cheers

I found a solution that doesn't require knowledge of the network's LTE bands:
Dial *#*#4636#*#*
Click Phone Information
Scroll down the page to the GSM/WCDMA dropdown.
Select LTE/GSM/WCDMA - the data icon should switch from H or 3G to 4G.
[ROOT ONLY] Using a root file manager (ES File Explorer) go into "/system/app" and rename LteConfigs.apk and LteConfigs.odex to LteConfigs.apk.bak and LteConfigs.odex.bak
Reboot
Go to Settings -> Tethering & networks -> Mobile Networks → Network Mode and select GSM/WCDMA/LTE auto.

@icheyne I confirm that works, I will change the post.

cannot open on android L

cant opened in android L too
chacho_2me said:
cannot open on android L
Click to expand...
Click to collapse
I need to change lte band. What way i have. Secret menu ont allowed me to do it in Android 5

Oh dear, that's inconvenient. I don't have lollipop installed yet, since it's been quite busy for me and I need my phone. I will try to update the guide for Lollipop.
When I can test it personally, but for now, if you could try to surf the forums. I am short on time lately, I do apologize.

O29C said:
Oh dear, that's inconvenient. I don't have lollipop installed yet, since it's been quite busy for me and I need my phone. I will try to update the guide for Lollipop.
When I can test it personally, but for now, if you could try to surf the forums. I am short on time lately, I do apologize.
Click to expand...
Click to collapse
On mine, only the .apk file was present, not the .odex file. I have flashed a stock-based lollipop rom. I renamed the .apk file and the lte was added to the mobile networks menu, but my phone is still not connecting to lte .
It is correct, the "phone information" menu loads on lollipop, but an error message pops up overtop and you can't get to the settings due to this.
I sure hope I can get this working or I'm going to have to get a different device!

@vinistois Thank you for reminding me about this. I do apologize in advance for not keeping up with this as I am still sticking with JB for the time being. I just flashed L to try to clear things up. Are you currently rooted? And do you have the D855 model?

help needed
O29C said:
EDIT: Clearly now that there are custom ROMs, this will be less likely an issue. But @icheyne pointed out a good method that will work on most ROMs I believe, since it uses Android's default testing menu.
For those seeking a permanent solution, you WILL need root.
Currently no permanent solution on LG Stock Lollipop.
Here is some information about my situation:
-Currently on Fido Network in Canada (LTE Band 7 [2600 MHz])
-I have achieved LTE speeds of 31mbps (Down) and 25mbps (Up).
-I am rooted, but it should work without root access.
-Firmware is stock V10h-TWN-XX
-Network mode only shows GSM / WCDMA
Before you begin, this is what you need:
-An LTE micro sim.
-Do some research on which LTE bands your network uses and if your variant has the ability to use that band.
-Correct LTE APN settings for your mobile carrier. Make sure it is LTE APN, my carrier has two separate ones (Regular, LTE).
-Mobile Network does NOT have to be turned off (You can keep data on during all of this).
-With Mobile Network on, go into Settings -> About Phone -> Network and remember what is written under "Mobile network type".
-Make sure you are in a location that has decent LTE connection.
---------- Post added at 10:49 PM ---------- Previous post was at 10:41 PM ----------
O29C said:
EDIT: Clearly now that there are custom ROMs, this will be less likely an issue. But @icheyne pointed out a good method that will work on most ROMs I believe, since it uses Android's default testing menu.
For those seeking a permanent solution, you WILL need root.
Currently no permanent solution on LG Stock Lollipop.
Here is some information about my situation:
-Currently on Fido Network in Canada (LTE Band 7 [2600 MHz])
-I have achieved LTE speeds of 31mbps (Down) and 25mbps (Up).
-I am rooted, but it should work without root access.
-Firmware is stock V10h-TWN-XX
-Network mode only shows GSM / WCDMA
Before you begin, this is what you need:
-An LTE micro sim.
-Do some research on which LTE bands your network uses and if your variant has the ability to use that band.
-Correct LTE APN settings for your mobile carrier. Make sure it is LTE APN, my carrier has two separate ones (Regular, LTE).
-Mobile Network does NOT have to be turned off (You can keep data on during all of this).
-With Mobile Network on, go into Settings -> About Phone -> Network and remember what is written under "Mobile network type".
-Make sure you are in a location that has decent LTE connection.
METHOD FOR LG STOCK LOLLIPOP
1) Open up your Dialer, and type in the following to enter LG's Hidden Menu: "3845*#855#" for D855 (If your model is not listed, please do Google it!)
"3845*#850#" for D850
"3845*#851#" for D851
"3845*#852#" for D852
2) Go down and select "LTE-Only" and go into "Modem Settings"
3) Now select "RAT Selection" and click on "GSM/WCDMA/LTE auto"
4) Without rebooting, the data icon switched from "H" / "3G" to "4G" for the first time (Turn on Mobile Network if you haven't already)
5) Now go into Settings -> About Phone -> Network and under "Mobile network type" it should have "LTE" instead of what you had before
Currently no permanent solution, each time you reboot, switch to 2G/3G, or go into "Mobile Networks" menu, you will lose LTE
But it's okay, redoing steps 1 to 3 will get LTE back once again. Tedious, but at least it works
--------------------------------------------------------------------------​
QUICK METHOD (Working for all Jelly Bean ROMs & some Lollipop ROMs) (Thanks to @icheyne)
1) Go into Dialer -> Dial *#*#4636#*#* -> Phone Information
2) Scroll down to "Set preferred network type:" and click on the pull-down menu
3) Select what type of setting you want, I personally keep it on "LTE/GSM/WCDMA"
4) Select "LTE-Only" and go into "Modem Settings"
5) Without rebooting, the data icon switched from "H" / "3G" to "4G" for the first time (Turn on Mobile Network if you haven't already)
6) Now go into Settings -> About Phone -> Network and under "Mobile network type" it should have "LTE" instead of what you had before
7) [ROOT][Permanent LTE] For myself, I used a root explorer (ES File Explorer) and go into "/system/app" and delete (or move) LteConfigs.apk and LteConfigs.odex. Now you should be able to go into the "Mobile network" menu and it should have the "GSM/WCDMA/LTE auto" setting. Thus making LTE a permanent option.
Those without root access will lose LTE if they restart, switch to 2G/3G, or try to go into the "Mobile network" menu.
If you have any questions, please leave a reply. Hope this helped.
If anyone who cannot get this to work, please post with your details (firmware, carrier, LTE band, etc...).
Click to expand...
Click to collapse
Lg g3 d855.. Lte working fine using *#*#4636#*#*.. Today i upgraded to android 5.0 software.. But now *#*#4636#*#* not working on my phone... And lte is not working too..
Pls advise how to activate lte now
Click to expand...
Click to collapse

I really don't want to be condescending, but it's hard not to. Did you read the post?

O29C said:
I really don't want to be condescending, but it's hard not to. Did you read the post?
Click to expand...
Click to collapse
Lol was going to say the same
Sent from my LG-D852 using XDA Free mobile app

Related

[BUG][GT-I9505G] LTE disabled

So I've confirmed today that there is in fact an LTE issue with the Galaxy S4 Google Play Edition, and thankfully, it's software based. Hopefully, Google and/or Samsung implement a fix in short order. In the meantime, here's the cause (so that you can prevent the issue), and here's the workaround (so that you can correct the issue if you're affected).
Background:
Comparing the Google Play Edition to the Touchwiz Edition, there is a setting that is slightly different on both phones. If you go to Settings --> Wireless & Networks --> More --> Mobile Networks --> , you will see a setting; either "Use only 2G networks/saves battery (GPE)," or "Network Mode (TW)."
The Network Mode on Touchwiz allows you to toggle between available network modes based on carrier, usually 3 individual settings and a full Automatic setting. The 2G Networks setting on the Google Play Edition is the cause for concern here. It's directly ported from the Nexus 4, and here's where the problem lies.
Cause:
While both devices have numerous hidden network modes, the toggle only allows for you to switch between two modes; GSM Only, and WCDMA Preferred. GSM Only occurs when the box is ticked. This sets you on Edge-only for battery savings. WCDMA preferred tells the phone to look for GSM/UMTS (Edge/3G/H), but to prefer the latter if both are available, even if the latter has a weaker signal. Did you see LTE in the equation? If you noticed that it's absent, here's why.
The S4 has an additional mode; LTE/GSM (Auto PERL). This sells the phone to switch between LTE/H/3G/Edge based on signal strength and T-Mobile's/AT&T's APN settings and roaming list. The S4 GPE comes with this mode on by default. If you tick the 2G box, you'll go to Edge only. If you untick the box, instead of going back to LTE/GSM, you are sent to WCDMA Preferred. Now, you're stuck between 2G/3G/H, or 2G only. LTE is gone. Nice oversight by Google/Samsung
The "Fix":
Because this is an issue with the firmware, there is no permanent fix. However, there are easy user-facing applications that will allow you to toggle LTE back on. The one I'm using is LTE Setting (Google Play Link). From the main page, go down about 2/3s of the way and you'll see a drop-down menu. Select "LTE/GSM (Auto PERL)" to restore LTE. Now, the next time that you set your phone to 2G Only for the sake of battery savings, you'll need to use this app again to restore LTE compatibility.
I've enclosed two pictures. The first is the setting as it appears in the Google Play Edition. The second is as it appears in a Touchwiz model, and why the Touchwiz variant does not have this problem.
i had this problem when i have flashed 3 various roms so i have to flash back a rooted stock rom which you can find in this forum (in my case XXUBMGA). after flashing i checked Settings --> More (under wireless) -->Mobile Networks and there shoud be 4 choices 1. LTE/WCDMA/GSM (auto connect) 2. WCDMA/GSM (auto connect) 3. WCDMA only and 4. GSM only. i checked no.1 to see if it worked (after rebooting). then there was no 4G connection on the status bar, so i begin to search for the answer in this forum also. here's a list of what i did to solve my problem.
1. i asked my carrier for an LTE capable SIM (micro SIM)
2. i see to it that there is an LTE coverage in my area for testing
3. LTE is activated in my prepaid account which is separate from internet access.
4. (optional) in settings/more/mobile networks/networks operators i selected manual because it drained my load when my network is not available when connection to LTE coverage of another network.
5. asked from carrier the correct APN
of all the listed steps i made above, it was the SIM card that was at fault, because my carrier gave me a normal sim but was just cut to a micro sim so i insist to have a pre manufactured micro sim. you can google for answers but i don't think this is a bug. i have read plenty of lte issues during my search and all point to coverage, SIM card and requesting the carrier for an LTE activation on your account.
hope this helps
I've edited the original post for clarity. I apologize for any confusion that I have caused.
Bug has been submitted to and acknowledged by Google. It's evident in the latest 4.3 leak, so no idea if the fix makes it into the final push, or a subsequent update.
Bug has been fixed as of last night's OTA to 4.3.

Enable WiFi Calling & VoLTE on T-Mobile US onOP 5 w Original OxygenOS 4.5.5 Firmware

Enable WiFi Calling & VoLTE on T-Mobile US onOP 5 w Original OxygenOS 4.5.5 Firmware
Hi Everyone,
Just wanted to let you know that I was able to enable Wi-Fi Calling and VoLTE on T-Mobile US on OP 5 with the original OxygenOS 4.5.5 firmware by doing the following:
1.) Ignore for a moment that you are already on T-Mobile. This was preselected for you automatically by the virtue of inserting a T-Mobile SIM card.
2.) Go to settings and manually search for/select mobile network. Let the phone search for a mobile network for you.
3.) You will get T-Mobile to appear but the only connection choices you will be given are 2G, 3G and 4G. There will be no choice to select 4GLTE.
4.) Ignore the fact in 3.) and proceed to select the "plain" 4G option
5.) Go back to SIM & Network Settings. The preferred network type for you will appear to be 2G/3G/4G (automatic).
6.) The WiFi Calling and VoLTE options now appear on right under the Preferred network type. Select WiFi calling/or VoLTE
7.) Switch to WiFi. You will get a notification on the top right bar that you are on WiFi/VoLTE calling.
8.) Try it out - it works
9.) Now turn off WiFi. This will switch you to your T-Mobile network.
7.) Check your notification bar on top, it will show that you are on 4G LTE.
8.) Test your 4GLTE connection speed with a program like speedtest.net.
9.) Mine was ~ 55 mbps download and 12.4 Mbps upload - definitely 4GLTE speeds.
10.) Enjoy
Dr. P
You don't need to go thru any dance on this...my phone has always done this with out changing any thing... T-Mobile in Atlanta..
On my OP 5, VoLTE and VoWifi did work instantly.
All of this was enabled without any effort for me on TMobile.
I am curious though, are you saying that 4G (by itself) is an option for you on preferred network type?
Thailand carrier "AIS" Follow step notwork!!.
Sent from my ONEPLUS A5000 using Tapatalk
Many retail/unlock mobiles have "Wifi Calling" function but not any menu entry to enable , The APP can check the hidden function and enable it if can use.
https://play.google.com/store/apps/details?id=com.widget7.wifi.calling
whelmar said:
You don't need to go thru any dance on this...my phone has always done this with out changing any thing... T-Mobile in Atlanta..
Click to expand...
Click to collapse
Agreed, was immediately able to run on both wifi and T-Mobile​ LTE once the SIM card was inserted.
Sent from my ONEPLUS A5000 using Tapatalk
I followed the steps, but VOLte and WiFi calling even is not working. Furthermore the options are not displayed.
T-Mobile Germany.
My old Samsung S7 EDGE working fine with VOLte and WiFi calling at the same SIM card.
Is there any fix for this on my OP5?

[GUIDE] [FIX] Unstable 4G/3G Network On OxygenOS [No Root]

If you use a OnePlus device specifically a OnePlus 3/3T then there's a really high probability that you've been effected by the unstable network problems(Data network automatically switching to 2G or 3G when the 4G signal becomes a little weak even though the device is capable of receiving the signal) caused when the signal strength is very poor. Even if you select 4G/3G only in the settings the signal becomes 2G.
If you are getting affected by this issue then you can solve this just by installing an app from the play store.
STEPS-
1. Install the app " JOnePlus Tools".
2. Open it and then click on "More Settings" icon on the top right corner.
3. After that click on phone info.
4. In phone info select drop down menu and choose the option, "LTE only" or " WCDMA only" according to your need.
5. Done.
I've been testing it for a few hours now and and haven't faced the issue.
If you are still not able to understand what to do then watch this video, everything done step by step.
But if you choose LTE only when there is not LTE the mobile signal is lost right?
vip57 said:
But if you choose LTE only when there is not LTE the mobile signal is lost right?
Click to expand...
Click to collapse
Yes.
Dial *#*#4636#*#* and in "Phone Information => Set Preferred Network Type:" select compatible settings according to your provider
OP3T Cellular Settings 1.1
Kartike said:
If you use a OnePlus device specifically a OnePlus 3/3T then there's a really high probability that you've been effected by the unstable network problems(Data network automatically switching to 2G or 3G when the 4G signal becomes a little weak even though the device is capable of receiving the signal) caused when the signal strength is very poor. Even if you select 4G/3G only in the settings the signal becomes 2G.
If you are getting affected by this issue then you can solve this just by installing an app from the play store.
STEPS-
1. Install the app " JOnePlus Tools".
2. Open it and then click on "More Settings" icon on the top right corner.
3. After that click on phone info.
4. In phone info select drop down menu and choose the option, "LTE only" or " WCDMA only" according to your need.
5. Done.
I've been testing it for a few hours now and and haven't faced the issue.
If you are still not able to understand what to do then watch this video, everything done step by step.
Click to expand...
Click to collapse
Install app OP3T Cellular Settings 1.1
davoudpro said:
Install app OP3T Cellular Settings 1.1
Click to expand...
Click to collapse
Link?
lover said:
Dial *#*#4636#*#* and in "Phone Information => Set Preferred Network Type:" select compatible settings according to your provider
Click to expand...
Click to collapse
Thank you for sharing
Kartike said:
Link?
Click to expand...
Click to collapse
https://labs.xda-developers.com/store/app/com.ebyt.op3tcs
This does not seem to work any more. I think since Android 8.
I tried the OP3T Cellular Settings 1.1 as suggested, but that didn't seem to work on my OnePlus 3T (Android 8.0.0).
However the Dial *#*#4636#*#* and in "Phone Information => Set Preferred Network Type:" as suggested by @lover, and then using LTE only worked perfectly. Thank you!
Bart9 said:
I tried the OP3T Cellular Settings 1.1 as suggested, but that didn't seem to work on my OnePlus 3T (Android 8.0.0).
However the Dial *#*#4636#*#* and in "Phone Information => Set Preferred Network Type:" as suggested by @lover, and then using LTE only worked perfectly. Thank you!
Click to expand...
Click to collapse
I Have Oneplus 3T Us A3000 Model. I am From India
actually here is the main issue is Volte Related, meanwhile 4g is working internet working super but Volte for calling not working. even i switch on Volte in settings but still they did not work for i try everything.
then i search and got the band issue is here i checked my Network provider using Band 3,5,40.
but in my mobile has band 5. so i unlock rest network bands by Qcn File of CN.
successfully unlocked the all my network provider bands.
but still Volte is not working i try my all efforts and things factory reset, custom rom but still Volte not working for me.
2nd issue
even now only 1 sim can work at a time other network gone out and when i try to search network the error comes (error while searching network)
means dual stand by is not working for me. vice versa same when i switch internet on 2nd sim 1st network gone
even i switch 1 sim on 4G and other on 2G.
?please help me out my Oneplus 3T is down

Nokia 6 network selection.

I am using nokia 6 since 3 months. I failed to find network option where i can select 3g only or 4g only network. At my home location network switches every minute, m unable use data, this is annoying. M using idea n airtel on dual sim.
My other phone Xperia Z1 is having that option to select 3g only network... Where it wont loose connectivity.
To post this issue, i switched network twice. Pls help.
karanrk007 said:
I am using nokia 6 since 3 months. I failed to find network option where i can select 3g only or 4g only network. At my home location network switches every minute, m unable use data, this is annoying. M using idea n airtel on dual sim.
My other phone Xperia Z1 is having that option to select 3g only network... Where it wont loose connectivity.
To post this issue, i switched network twice. Pls help.
Click to expand...
Click to collapse
Er, have you tried going to Settings > More > Mobile network > Preferred network type?
crystal_ball said:
Er, have you tried going to Settings > More > Mobile network > Preferred network type?
Click to expand...
Click to collapse
i did that way, but this wont keep network in same mode for longer. my problem is network keep on changing from 3G to 4G, 4G to 2G. my other phone shows these options on phone. m seeking if same will available on Nokia 6View attachment 4319411
karanrk007 said:
i did that way, but this wont keep network in same mode for longer. my problem is network keep on changing from 3G to 4G, 4G to 2G. my other phone shows these options on phone. m seeking if same will available on Nokia 6
Click to expand...
Click to collapse
Try dialling *#*#4636#*#* and select the first entry (Telephone information). You can set your preferred network type there. On my phone there are a lot of options to choose from, including LTE only, WCDMA only, etc.
crystal_ball said:
Try dialling *#*#4636#*#* and select the first entry (Telephone information). You can set your preferred network type there. On my phone there are a lot of options to choose from, including LTE only, WCDMA only, etc.
Click to expand...
Click to collapse
No use....
crystal_ball said:
Try dialling *#*#4636#*#* and select the first entry (Telephone information). You can set your preferred network type there. On my phone there are a lot of options to choose from, including LTE only, WCDMA only, etc.
Click to expand...
Click to collapse
this code dosent work at all, i tired resterting phone 4-5 times. it shows nothing.
i googled codes as well, other codes working but this codes show nothing.
Pls help anyone... Network sucks here.....
I also feels this problem. When I watching youtube The connection is off for 5 seconds after that it's connecting again same problem. But now I just used the *#*#4636#*#* and I selected LTE/wcdma and I think now my problem was solved thanks
Nokia 6 4G 3G & 2G settings
For Nokia 6.
You can change network in simple 4 steps
1) Simply go to settings then press
2) "Network & Internet" then press
3) "Mobile network" then press option
4) "Advance" here you find three options
"4G (recommended)"
"3G"
"2G"
and Slect the network you want
Thanks

Stock AT&T H910 - how to select / tell what band I am using?

Is there a way to determine the current band (LTE/UMTS) that I am using with a stock phone without root? I tried the service menu (*#lgmenu#*910#) but I don't see any options available to select LTE band.
I don't know about the H910, but on some variants, in the hidden menu, you go to Field Test -> Modem Settings, and you can see an LTE Band Selection menu there. However, if there is no reset option, then I don't think it's safe to mess around with the bands there since you could be stuck on a single LTE band.
For checking what current band you're on, you can use one of those network signal analysis apps like LTE Discovery, Network Cell Info, or SignalCheck. Their main functions should work without root access.

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