Database Info

LTE band select warning (Fix in Post 3)

So we all know there are many settings to play around with under the 3845#*850* menu. Under LTE there is a setting to select what LTE band you want to be on. I learned the hard way, DON'T touch those. Your phone will be on whatever band you select and will not switch bands automatically. I can't seem to get it back to the way is was before even with a factory reset so I;m just warning you guys.

Did you get this resolved?
I have done this on my VZW G3. Did you get this resolved? I selected b4 and b13 and now I that I see you'd thread I'm wondering if doing this will lock me out of the new Qualcomm band unlocking using QPST.

wizayne said:
I have done this on my VZW G3. Did you get this resolved? I selected b4 and b13 and now I that I see you'd thread I'm wondering if doing this will lock me out of the new Qualcomm band unlocking using QPST.
Click to expand...
Click to collapse
Yes I have found a way. This is with the d850 model so it may be a little different
1. Download the application Shortcut master found here: https://play.google.com/store/apps/details?id=org.vndnguyen.shortcutmaster.lite
2. In the application, press the menu button and select "secret code explorer"
3. Look for the option that has "com.lge.hiddenmenu.updt.UnitedDebugToolReceiver" and press it then press explore
4. Next look for RAT_Selection with the description under it as "com.lge.hiddenmenu.lte_only.RAT_Selection. This one is about 60% of the way down the menu. Don't get it confused with the one that says wcdma in the description.
5. Once that's launched, Select Wcdma or CDMA only. Wait for it to connect, then select LTE only, wait for it to connect then select the multimode option of whatever network you're on (AT&T: GSM/WCDMA/LTE auto VZW should be CDMA/LTE auto)
6. To confirm no specific LTE band is selected, back out of that menu, then scroll down to "BandSelection" Do not go to "LteBandSelection" it will give you the wrong options. Once in the menu, it should say none selected and you should still be connected to LTE.

THEGAMEPLAY94 said:
Yes I have found a way. This is with the d850 model so it may be a little different
1. Download the application Shortcut master found here: https://play.google.com/store/apps/details?id=org.vndnguyen.shortcutmaster.lite
2. In the application, press the menu button and select "secret code explorer"
3. Look for the option that has "com.lge.hiddenmenu.updt.UnitedDebugToolReceiver" and press it then press explore
4. Next look for RAT_Selection with the description under it as "com.lge.hiddenmenu.lte_only.RAT_Selection. This one is about 60% of the way down the menu. Don't get it confused with the one that says wcdma in the description.
5. Once that's launched, Select Wcdma or CDMA only. Wait for it to connect, then select LTE only, wait for it to connect then select the multimode option of whatever network you're on (AT&T: GSM/WCDMA/LTE auto VZW should be CDMA/LTE auto)
6. To confirm no specific LTE band is selected, back out of that menu, then scroll down to "BandSelection" Do not go to "LteBandSelection" it will give you the wrong options. Once in the menu, it should say none selected and you should still be connected to LTE.
Click to expand...
Click to collapse
So i was looking through and accidently clicked a band. but nothing happened and i tried this fix but it keeps telling me could not find file when i try to launch "com.lge.hiddenmenu.lte_only.RAT_Selection". What happens if you click a band?

Shadow Assassin said:
So i was looking through and accidently clicked a band. but nothing happened and i tried this fix but it keeps telling me could not find file when i try to launch "com.lge.hiddenmenu.lte_only.RAT_Selection". What happens if you click a band?
Click to expand...
Click to collapse
On my ATT device it would stay on the band you selected only and wouldn't automatically switch between them.
edit: try going to "com.lge.hiddenmenu.kddi_only.NetworkMode" change your network mode to Gsm/WCDMA then to LTE only then back to LTE/GSM/WDCMA and it should reset whatever you may have selected in the other menu.

THEGAMEPLAY94 said:
On my ATT device it would stay on the band you selected only and wouldn't automatically switch between them.
edit: try going to "com.lge.hiddenmenu.kddi_only.NetworkMode" change your network mode to Gsm/WCDMA then to LTE only then back to LTE/GSM/WDCMA and it should reset whatever you may have selected in the other menu.
Click to expand...
Click to collapse
I then receive an error message. Heres a screenshot.
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"lightbox_toggle_sidebar": "Toggle sidebar"
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So i have had this problem for a while. My fiance has a g3 as well and it connects to 4g lte. Hers isnt rooted but mine is. I have followed all of the instructions that you posted to fix the problem, but when i tap on lte only, a message box comes up that says failed, sane with automatic. When i tap gsm or wcdma, it says success. Any ideas what might be going on. Any help will be appreciated!!!
Here is the screenshot, sorry it took so long. Any one that I hit that contains LTE in it comes up with this fail message. The only ones that will show success are wcdma and gsm. Thanks for your time!!!

reolwolf said:
So i have had this problem for a while. My fiance has a g3 as well and it connects to 4g lte. Hers isnt rooted but mine is. I have followed all of the instructions that you posted to fix the problem, but when i tap on lte only, a message box comes up that says failed, sane with automatic. When i tap gsm or wcdma, it says success. Any ideas what might be going on. Any help will be appreciated!!!
Here is the screenshot, sorry it took so long. Any one that I hit that contains LTE in it comes up with this fail message. The only ones that will show success are wcdma and gsm. Thanks for your time!!!
Click to expand...
Click to collapse
I have never seen that before.

Ya i dont really know, im thinking im going to call at&t tomorrow and see what they're tech department says. Thanks for the help!!!

Scared the **** out of me... (Fixed)
I accidentally selected one of the bands, and it wouldn't automatically switch anymore. I have to say I have an unrooted D855. I came online to search and scared the **** out of me, and nothing I tried from this thread worked. I happened to stumble upon a thread teaching how to enable LTE on some G3 devices using this menu, and they said settings only last UNTIL REBOOT. So came my hope:
FIX: Just reboot.
Verification: I selected some band that has no 4G network at my location, 4G disappeared. rebooted. 4G appeared. Problem solved. Not sure why it didn't work for TS (maybe TS is rooted), but worked for me (unrooted).

When i click LTE only i get an error message saying "Restricted access changed" voice service is blocked? and it doesnt connect to the LTE network which in my case is band 3 1800mhz. please help . when i try selcecting the band manually is says failed.

adnshah said:
When i click LTE only i get an error message saying "Restricted access changed" voice service is blocked? and it doesnt connect to the LTE network which in my case is band 3 1800mhz. please help . when i try selcecting the band manually is says failed.
Click to expand...
Click to collapse
I have the same problem. Any help ?

How to Enable/Use LTE Band 4(1700/2100) To Use on GSM carriers 4G LTE With Calls!

Hi, first sorry for my bad english and this is my first tutorial
soo! lets start!
recently purshase a samsung s5 from verizon and i see the specs the lte bands are compatible with my network here in mexico(telcel)
soo i put the sim in the phone and he only takes 3G and H+, i go to options to change network mode and.... the problem is there no option for GSM/WCDMA/LTE, only Global, LTE/CDMA and GSM/WCDMA and for that reason dont use the band 4(1700/2100) to use 4g
i loocking for tutorials and no luck, i try the Phone Info menu(*#*#4636*#*#) and menu not pop up like other phone i have, thats why i make this tutorial to have 4g data for gsm networks and the most important you can make phone calls without change to GSM/UMTS or something like that
FIRST OF ALL I'M NOT RESPONSIBLE IF YOU BROKE YOUR PHONE FOR NO FOLLOW THE GUIDE
i have rooted with rick's rom v20 nk2 firmware i dont know if this work on other rom, soo let us know if this work in other rom or fimware BUT YOU NEED ROOT
if you have enable already the hidden menu then you can skip to step 2 if not follow step 1 to enable
1.you need to enable hidden menu: this can be done be modifyng in text editor with a program like root explorer, the file from this directory -----> /efs/carrier/HiddenMenu file
like i said with a text editor open that file and change OFF to ON and save, reboot the phone
2.when the phone fully reboot, open the phone app and dial this --->*#27663368378#
with that you enter in the servicemode
3.in service mode Select: [2]UE SETTINGS & INFO, then [1]SETTING, then select [2]SYSTEM, then [9]NEXT PAGE and then select [7]LTE BAND ON/OFF, then [2]LTE B4 ON/OFF, and finally [1]B4 Enable, need be selected like the image below:
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then restart your phone
4.now its fully reboot open the phone app and dial again ---->*#27663368378#
enter in servicemode again and select [2]UE SETTINGS & INFO, then [1]SETTING, then [1]PROTOCOL, then [2]NAS, then [1]NETWORK CONTROL, then [5]PREF MODE SET, and finally [7]GSM_WCDMA_LTE_ONLY and wait for the magic
when yor restart your phone says no service and pop up the menu dont service and tells you to change to global mode please cancel and wait for reception! if you change to global or other mode you need to do again the step 4 to put again in GSM/WCDMA/LTE ONLY
THATS ALL!:good:
NOTE: I WAS PLAYING IN THE LAST STEP BEFORE [5]PREF MODE SET IN THE [1]NETWORK CONTROL MENU, I CHOOSE [4]BAND SELECTION INSTEAD OF [5]PREF MODE SET, SOO IF THE STEPS DONT WORK LET ME KNOW TO ADD SOME EXTRA STEPS IF NEEDED

This enabled 1700/2100 (AWS) for LTE only correct? Just curious if it would work for enabled WCDMA for 1700/2100 on HSPDA+ for 4G also?

GrandMstrBud said:
This enabled 1700/2100 (AWS) for LTE only correct? Just curious if it would work for enabled WCDMA for 1700/2100 on HSPDA+ for 4G also?
Click to expand...
Click to collapse
its not only 1700/2100 LTE, when you make a call the phone automatically change to 3g umts
thats why call GSM/WCDMA/LTE
with this you can use verizon samsung s5 like others gsm phone 4g

*#27663368378# doesn't take me to the Menu? Is there another way?

How do you set it back the way it was? Or how do I turn off the GSM stuff. All I care about is better Verizon signal.
Once I did this, my signal has been bouncing back and forth from full bars down to 3. Any idea why?

Any help in order to add the lte band 4 to my S5 duos sm-g900fd , I need because I use T-Mobile while I am in US.
Thanks

When I make these changes it still drops me to 3G on calls. Not sure what the deal is really. Was hoping for 4g/calls at the same time.

enkryptik said:
When I make these changes it still drops me to 3G on calls. Not sure what the deal is really. Was hoping for 4g/calls at the same time.
Click to expand...
Click to collapse
Try switching from sim use to nv use. It's in the service menu under rtre config.
The phone supports LTE Bands 2,3,4,5,7,13,17 and 20. I'll post back

Tried and so far, nothing stops my phone from dropping to 3g when making a call. Also, some of these changes cause speedtest.net app to think I'm about 5 states away from where I actually am. Switching back, it puts closest server back to Indiana.....

I am using T-Mobile on this phone so not having to have my phone drop data to make phone calls would be great. I wasn't able to get this to work, but would be interested in knowing if others on T-Mobile can get this to work.
Thanks

andyandmarlys said:
I am using T-Mobile on this phone so not having to have my phone drop data to make phone calls would be great. I wasn't able to get this to work, but would be interested in knowing if others on T-Mobile can get this to work.
Thanks
Click to expand...
Click to collapse
So far, I haven't found anyone able to successfully change this on a Verizon phone because it has a locked bootloader. Hopefully, one day soon.

ALUCARD4DEAD said:
3.in service mode Select: [2]UE SETTINGS & INFO, then [1]SETTING, then select [2]SYSTEM, then [9]NEXT PAGE and then select [7]LTE BAND ON/OFF, then [2]LTE B4 ON/OFF, and finally [1]B4 Enable, need be selected like the image below:
View attachment 3092264
Click to expand...
Click to collapse
Hi. In the final step on step #3, it says "finally [1] B4 Enable"...but the screen shot attached shows [2] B4 Disable. Which one should we follow? Should we enable it or disable it?
Thanks.

AlpineMan said:
Hi. In the final step on step #3, it says "finally [1] B4 Enable"...but the screen shot attached shows [2] B4 Disable. Which one should we follow? Should we enable it or disable it?
Thanks.
Click to expand...
Click to collapse
enable my friend
the screen shot its only for reference

thepinkpanter said:
Any help in order to add the lte band 4 to my S5 duos sm-g900fd , I need because I use T-Mobile while I am in US.
Thanks
Click to expand...
Click to collapse
you need to check the bands, if there are compatible with the band of tmobile the process will be similar but depend of the bands and the baseband
andyandmarlys said:
I am using T-Mobile on this phone so not having to have my phone drop data to make phone calls would be great. I wasn't able to get this to work, but would be interested in knowing if others on T-Mobile can get this to work.
Thanks
Click to expand...
Click to collapse
i dont know because i dont use tmobile, but if the bands are compatible.....then sould be work

i tried this with Verizon branded s5 on T-Mobile and it did not work. It wouldn't even show up as LTE. Straight dropped to H+.
Is doing this the same thing as what 5.0 does in the mobile network settings? I upgraded to 5.0 previously and it switched one of the settings to GSM/UMTS/LTE which it was previously GSM/UMTS.

Does anyone know if running a custom ROM will resolve this issue?

Does anyone know if it's possible to enable Verizon voice cdma band on a gsm/LTE (t-mobile) model s5 ? Or is the hardware in the sprint/Verizon models truly custom?

I tried this on my g900v S5 running Ricks Rom. Step one change off to on resulted in soft bricking with reboot having a toast pop up saying systemui has stopped. Touch ok and it goes to the home screen then same pop up loops back to lock screen over and over.
How to fix?
In recovery-advanced-file manager, when selecting the efs file, nothing is in it to edit and it only shows "up one file" or something like that.
What should be checked under "mount"? There are checkboxes for Micro SDCard, Internal Storage, Data, Cache and system.
Thanks

DroidinAndStuff said:
I tried this on my g900v S5 running Ricks Rom. Step one change off to on resulted in soft bricking with reboot having a toast pop up saying systemui has stopped. Touch ok and it goes to the home screen then same pop up loops back to lock screen over and over.
How to fix?
In recovery-advanced-file manager, when selecting the efs file, nothing is in it to edit and it only shows "up one file" or something like that.
What should be checked under "mount"? There are checkboxes for Micro SDCard, Internal Storage, Data, Cache and system.
Thanks
Click to expand...
Click to collapse
In your file browser, check the settings to include hidden files and folders.

Rapunzl said:
In your file browser, check the settings to include hidden files and folders.
Click to expand...
Click to collapse
no such settings exist in safestrap and there is no getting in any other way
I'll gladly stand corrected if I am wrong about safestrap settings

LG G Pro 2 F350L no 4G D838 rom?

I Just flashed my F350L to D838 rom to get a clean experience from all the Korean apps and everything is perfect but no 4g LTE option . The dialer codes do work but its annoying doing that every reboot.

If your device is rooted then install Build Prop Editor from Google Play Store https://play.google.com/store/apps/...editor&pcampaignid=APPU_1_6N8ZVrkTx5FolN-TiAM.
Open it and in the search field type telephony so it will find a line called ro.telephony.default_network. Open that setting and instead of default value (I suppose it's number 8) you can put 10 or 12. Save that change and than reboot your device. You will now have LTE in your network settings. I hope it will work for you...
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This is what I get now in my phone after changing that setting:
Sent from my LG-D838

I cant seem to root it . Im on 5.0.1

ubabic said:
If your device is rooted then install Build Prop Editor from Google Play Store https://play.google.com/store/apps/...editor&pcampaignid=APPU_1_6N8ZVrkTx5FolN-TiAM.
Open it and in the search field type telephony so it will find a line called ro.telephony.default_network. Open that setting and instead of default value (I suppose it's number 8) you can put 10 or 12. Save that change and than reboot your device. You will now have LTE in your network settings. I hope it will work for you...
This is what I get now in my phone after changing that setting:
Sent from my LG-D838
Click to expand...
Click to collapse
Its not staying its switching from auto to gsm I need it to stay on auto

Go to mobile network settings and set GSM/WCDMA/LTE auto and then activate mobile data option. Exit and don't enter the settings again because if you enter it will change this option to GSM/WCDMA preferred for some unknown reason. 4G is working and you can easily disable and enable mobile data now from notification drawer. But don't enter the settings! I know that this is not permanent solution for this problem. It's anoying to me too. But it's little bit better than typing those dialer codes every time...
Sent from my LG-D838

nicklite97 said:
I Just flashed my F350L to D838 rom to get a clean experience from all the Korean apps and everything is perfect but no 4g LTE option . The dialer codes do work but its annoying doing that every reboot.
Click to expand...
Click to collapse
how to flashed D838 into F350L ?

No 3G/LTE signal. only G..Urgent help please
ubabic said:
Go to mobile network settings and set GSM/WCDMA/LTE auto and then activate mobile data option. Exit and don't enter the settings again because if you enter it will change this option to GSM/WCDMA preferred for some unknown reason. 4G is working and you can easily disable and enable mobile data now from notification drawer. But don't enter the settings! I know that this is not permanent solution for this problem. It's anoying to me too. But it's little bit better than typing those dialer codes every time...
Sent from my LG-D838
Click to expand...
Click to collapse
Hello AndroidBrick, stumbled onto your site while looking for solution. I am Nigerian and I use an LG G Pro (D838, 32GB). Some days back i noticed that i had no network on my phone so I tried inserting another sim into the device and still got the same result but other devices around had network coverage. I changed the network mode to GSM only and got 2G but WCDMA only gives me nothing. I have tried other sims on GSM only mode and got 2G but when i change the mode to WCDMA only, i get nothing at all. Have also put it to GSM/WCDMA auto but keeps giving me just 2G network only. I have even had to downgrade the OS from android 5.0.1 to 4.4.2 as suggested by a friend and still got the same issue(NB: this happened after I received a notification form LG to download an upgrade of about 54MB). Decided to manage it that way as I went on looking for solutions to that problem but with no luck and then the bluetooth and wifi stopped connecting. Please, what should i do? Any other information you would need from me, please I will do all I can to provide to you. Thank you in advance.
---------- Post added at 09:18 AM ---------- Previous post was at 09:10 AM ----------
ubabic said:
Go to mobile network settings and set GSM/WCDMA/LTE auto and then activate mobile data option. Exit and don't enter the settings again because if you enter it will change this option to GSM/WCDMA preferred for some unknown reason. 4G is working and you can easily disable and enable mobile data now from notification drawer. But don't enter the settings! I know that this is not permanent solution for this problem. It's anoying to me too. But it's little bit better than typing those dialer codes every time...
Sent from my LG-D838
Click to expand...
Click to collapse
Hello, I am Nigerian and I use an LG G Pro (D838, 32GB). Some days back i noticed that i had no network on my phone so I tried inserting another sim into the device and still got the same result but other devices around had network coverage. I changed the network mode to GSM only and got 2G but WCDMA only gives me nothing. I have tried other sims on GSM only mode and got 2G but when i change the mode to WCDMA only, i get nothing at all. Have also put it to GSM/WCDMA auto but keeps giving me just 2G network only. I have even had to downgrade the OS from android 5.0.1 to 4.4.2 as suggested by a friend and still got the same issue(NB: this happened after I received a notification form LG to download an upgrade of about 54MB). Decided to manage it that way as I went on looking for solutions to that problem but with no luck and then the bluetooth and wifi stopped connecting. I have checked for solutions to my problem and and all seem to point out that I need my phone's qcn backup file, of which I have not had any luck with. Can you help me out on this one.....Please? You can send me information to [email protected]. Thank you

My F350L and D838 have strong LTE signal but when I tried opening a web site, it does not open and get the message "You are not connected to the internet."
What seems to be the problem and how can I resolve that issue?
TIA

[GUIDE][Edit APN]Enable native mobile hotspot NO ROOT[Snapdragon S9+]

All credit goes to BlueFox721 as this was a method he discovered on the Note 8. I tested it and it seems to be working and it does not appear to count against hotspot data (i'm on Sprint). Settings still stuck after reboot!
Step 1 - Download Shortcut Master Lite from the Play Store.
Step 2 - Open Shortcut Master Lite and select the Menu (three vertical dots in the upper right).
Step 3 - Select App Explorer, and then All Apps
Step 4 – Navigate (scroll down) to com.test.LTEfunctionality and select.
Step 5 – Select the first item labled "LTEFunctionalityTest" and select launch.
Step 6 – Scroll down to LTE APN Setting and select.
Step 7 –Select APN2 LTE internet (Sprint) or your carrier internet APN.
Step 8 - Scroll down to APN type and select.
Step 9 - Add "DUN" to the setting (it should read "default,mms,DUN") without quotations.
Step 10 - Select Menu and save your settings
Congratulations, your device now has Native Hotspot without having to toggle data!
Original thread is here: https://forum.xda-developers.com/galaxy-note-8/how-to/guide-enable-hotspot-t3675986
If your APN settings get greyed out, dial ##brand# from the dialer. After your phone restarts, your APN settings should be editable again.

IF someone has another SIM they can test it with, perhaps APN settings CAN be added. If I had another carrier's SIM, i'd test it now.

This method does not work on Sprint build U1ARBG (March Ota update) I also tried this method with the build that the s9+ ships with, but it didn't work either.

I'll give it a shot on T-Mobile.... Thanks for sharing!
*edit*
It will not allow me to change APN Type and ADD DUN on TMO...

Thanks. It worked for me. I am on G965U1 on Sprint.

Dudeman456 said:
Thanks. It worked for me. I am on G965U1 on Sprint.
Click to expand...
Click to collapse
Which build are you on?

I'm on software version G965USQU1ARBG, if that helps.

Sweet! This seems to have worked for me as well. U1ARBG

jygsaw said:
I'm on software version G965USQU1ARBG, if that helps.
Click to expand...
Click to collapse
I am on the same build and my options are greyed out
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l3wish said:
I am on the same build and my options are greyed out
Click to expand...
Click to collapse
Trying exiting out of Shortcut Master Lite and starting from step 1 again. My settings were greyed out at first, but when I went back in, like magic, the settings were no longer grey. I hope that works. I restarted my phone and I am still able to edit the settings.
EDIT: Video of the change settings in action https://drive.google.com/open?id=1arIgeXz6jy_DnpctX0_zhpfZzdkjvquW

this allows hotspot but it still counts your data right?

jygsaw said:
Trying exiting out of Shortcut Master Lite and starting from step 1 again. My settings were greyed out at first, but when I went back in, like magic, the settings were no longer grey. I hope that works. I restarted my phone and I am still able to edit the settings.
EDIT: Video of the change settings in action https://drive.google.com/open?id=1arIgeXz6jy_DnpctX0_zhpfZzdkjvquW
Click to expand...
Click to collapse
Yeah, not working here. Thank you for the video though.
Prior to the U1ARBG update the APN2 EHRPD Internet I was able to add the DUN, but LTE Internet was greyed out.
Now I can't even edit EHRPD

xterminater07 said:
this allows hotspot but it still counts your data right?
Click to expand...
Click to collapse
Seems to count against your regular data, BUT not hotspot data.

I'm on T-Mobile and all I did was add a new APN in the Mobile Networks setting page, copy everything from the default/grayed out APN but added "dun" at the end of the APN type and it seems to be working for me.
I've maxed my hotspot data allotment so I should be getting speeds in the kbps but I'm getting 10+ mbps with this change. Still counts towards regular data though.

Can this work on tmobile network Cruz ican add to my line igot really old plan if I want add hotspot yo my line I got pay more for my old plan

Sweet! Working on my Sprint G965USQU1ARBG.
BUT, I recall that this same mod worked on the S7 Edge when it was first introduced, but eventually a Sprint update reversed the edit and wouldn't allow you to edit the APN settings. Let's hope that doesn't happen here.
l3wish said:
This method does not work on Sprint build U1ARBG (March Ota update) I also tried this method with the build that the s9+ ships with, but it didn't work either.
Click to expand...
Click to collapse
Odd, it's working for me.

Just want to confirm i bought the unlocked S9 plus at bestbuy today and tethering hot spot works out of the box on the Verizon grand father unlimited plan. i didnt get the annoying add telling me i had to pay $29.99 to use the hot spot feature. I took some screen shots for you guys to prove it

Working fine here on Unlocked GS9+ with Sprint SIM card.
Sent from my SM-N910C using Tapatalk

Thank you. I'm able to modify and add new APNs using this method. I have the USA unlocked version.

With my Sprint S9 Snapdragon, I have been scouring the internet for two days almost nonstop, simply hoping to find some magical way to prevent Sprint from forcing my tether to be capped. I have tried dialer options, I have tried every random HiddenMenu shortcut, I have tried ADB CMD and trying to rewrite the APN by hand, I have tried going into the settings and going through Mobile Networks, I have tried mounting /system in the recovery menu, I looked into changing the CSC because it's linked to APN locking... I've literally tried it all.
PDANet+, FoxFi, EasyTether, ClockworkMod Tether ... none of them would work. They would automatically be stuck at 2mbps instead of my normal 30 to 40. Hiding tether/hotspot this way was NOT an option at all.
And then following this to go into the APN settings, exiting out, then going back in again... it finally let me change the god damn junk! THANK GOD
Specifically, I think I had to do it in this order:
1) Open the Shortcut Master Lite and open LTEFunctionalityTest
2) Open LTE APN Setting
3) Open an APN you want to change.
3) If it's greyed out, close everything and then restart from #1.
4) When done editing, save, and you should be good to go.
If that doesn't work even after trying repeatedly (make sure Shortcut Master Lite is completely closed, etc) ... then you can try the following which allowed me to edit the APN on a sister Sprint S9+ phone:
1) Dialer App, ##3282# (DATA)
2) Edit
3) Sprint MSL for mine is 000000
4) APN Settings
5a) "APN" and "APN protocol" should be editable. Make a minor change, save your APN.
5b) Then change them back, save the APN again. Do this for each APN you want full access to.
6) Open the Shortcut Master Lite and open LTEFunctionalityTest
7) Open LTE APN Setting
8) If it's greyed out, close everything and then restart from #6.
9) After you finish editing, save, and you should be good to go.
Consider this working on a Sprint S9+ & Sprint S9 Snapdragon SM-G960U - 8.0.0 Oreo Build Feb 10th
---
This is very important to me because I live in the country. There are no internet service providers out here, they refuse to run data lines. My Hotspot is the only option I have and I switched to Sprint from Verizon for x3 faster speeds.
Again, thank you very much. If this didn't work, I would have had to wait until TWRP or Root was possible on Snapdragon to change the APN.
--
Anyone know the package name for the Sprint Hotspot App? I'd like to be certain I only use the native hotspot by freezing the Sprint version using Package Disabler Pro.

Guide:-How To Activate VoLTE,ViLTE,VoWIFI&ViWIFI LG Devices-LG Velvet 5G

Hi Guys Am Baljeet From India There Is A Path To Force Enable VoLTE On The"LG Velvet 5G LM-G900" Specifically Your Version Which Is The "LM-G900".
By Default This Feature Is Disabled On This Model.
Follow These Steps Given Below:
A). Go To The Phone App(Dailer) And Dial "*#*#4636#*#*"-It'll Automatically Bring You To The"Testing" Settings Menu.
B). Go To "Phone Information"-You See A List Of VoLTE Settings However By Default They Are Disabled And Greyed Out But Don't Worry There's A Path To Enable VoLTE.(You Will Come Back To This Menu Later)
C). Go To Your LG Smartphones's File App(File Manager) And Create a Folder Named "enable_ue"-Thats All You Need To Do Just Create The Folder, Nothing More Nothing Less.
D). Go Back To The LG Smartphone's Phone App(Dailer) And Dial "#*462633*#900#" -This Code Is Specific To The Variant And May Be Work Or Not On Other Non LM-G900 Phones. Dialing This Should Bring Up The "Hidden LG Menu"
E). Select Field Test>Universal Enabler>Create New Config-A Menu With Check Boxes For VoLTE Options Appearing
F). Select The Boxes As Follows "VoLTE" "ViLTE" "VoWifi" "ViWifi" And Finally Hit "Confirm" -A Prompt Will Appear Stating "Vo Services Updated"
G). Immediately Restart Your Smartphone To Allow The Settings To Kick In.
H). After Your Smartphone Has Restarted Go Into Your Settings>Network & Internet>Mobile Networks -If Done Correctly The VoLTE Option Will Now Be Unlocked And Available.
I). Switch On The "VoLTE"
J). Now To Double Check That Your Smartphone Now Truly Has VoLTE Enabled,Repeat Steps A&B.If Done Correctly The Menu Should Now Say "VoLTE Provisioned Video Calling Provisioned Wifi Calling Provisioned " -If These 3 Are All Switched On Then You Have Successfully Force Enabled VoLTE On Your LG Velvet 5G LM-G900, Congratulations!
Warning:-I am not responsible for any damage you made to your device You have been warned.
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Thanks a lot. A little feedback. I tried it with the 4G EU version of the phone as my current carrier deactivated VoWifi. It works with using the call code #*462633*#910# in step D.
Awesome guide. Thanks again

Baljeet Khairwal said:
Hi Guys Am Baljeet From India There Is A Path To Force Enable VoLTE On The"LG Velvet 5G LM-G900N" Specifically Your Version Which Is The "LM-G900N".
By Default This Feature Is Disabled On This Model.
Follow These Steps Given Below:
A). Go To The Phone App(Dailer) And Dial "*#*#4636#*#*"-It'll Automatically Bring You To The"Testing" Settings Menu.
B). Go To "Phone Information"-You See A List Of VoLTE Settings However By Default They Are Disabled And Greyed Out But Don't Worry There's A Path To Enable VoLTE.(You Will Come Back To This Menu Later)
C). Go To Your LG Smartphones's File App(File Manager) And Create a Folder Named "enable_ue"-Thats All You Need To Do Just Create The Folder, Nothing More Nothing Less.
D). Go Back To The LG Smartphone's Phone App(Dailer) And Dial "#*462633*#900#" -This Code Is Specific To The Variant And May Be Work Or Not On Other Non LM-G900N Phones. Dialing This Should Bring Up The "Hidden LG Menu"
E). Select Field Test>Universal Enabler>Create New Config-A Menu With Check Boxes For VoLTE Options Appearing
F). Select The Boxes As Follows "VoLTE" "ViLTE" "VoWifi" "ViWifi" And Finally Hit "Confirm" -A Prompt Will Appear Stating "Vo Services Updated"
G). Immediately Restart Your Smartphone To Allow The Settings To Kick In.
H). After Your Smartphone Has Restarted Go Into Your Settings>Network & Internet>Mobile Networks -If Done Correctly The VoLTE Option Will Now Be Unlocked And Available.
I). Switch On The "VoLTE"
J). Now To Double Check That Your Smartphone Now Truly Has VoLTE Enabled,Repeat Steps A&B.If Done Correctly The Menu Should Now Say "VoLTE Provisioned Video Calling Provisioned Wifi Calling Provisioned " -If These 3 Are All Switched On Then You Have Successfully Force Enabled VoLTE On Your LG Velvet 5G LM-G900N, Congratulations!
Warning:-I am not responsible for any damage you made to your device You have been warned.View attachment 5704625View attachment 5704627View attachment 5704629View attachment 5704631View attachment 5704633View attachment 5704635View attachment 5704637
Click to expand...
Click to collapse
Hy, code mentioned in point A does not work on my phone. Code in point D worked.but i do not have Field test option. I have attached the screenshot.please check

You can try by flashing European firmware LM-G900EM in your LM-G900N by using following method provided in the link.I am not responsible if any damage occurs.
Post in thread 'Firmware Switch' https://forum.xda-developers.com/t/firmware-switch.4307817/post-87450935

ch0c0lateb0yctg said:
Hy, code mentioned in point A does not work on my phone. Code in point D worked.but i do not have Field test option. I have attached the screenshot.please check
Click to expand...
Click to collapse
You Can try this *#546368#*900# To Get Field test.Please Tell me What happens With all screenshots.

i tried it with lg velvet 5g tmobile version LG Velvet 5G LM-G900-tm but after restart the volte option is not there in jio 4g network options, its still grey in volte provisioninig. please help.

i have followed your steps in sequence, restarted the phone. in master config its all showing green but volte provisioning is disabled and in network settings i am not seeing volte.

Sindaugh said:
Thanks a lot. A little feedback. I tried it with the 4G EU version of the phone as my current carrier deactivated VoWifi. It works with using the call code #*462633*#910# in step D.
Awesome guide. Thanks again
Click to expand...
Click to collapse
Please Share Screenshots of hidden menu of your Velvet LM-G910EMW showing Rat Selection & 5G Frequency Bands in the hidden menu.Please Share All Screenshots regarding Rat Selection&5G Frequency Bands.

First You See Volte Option or not.
abeykp said:
i have followed your steps in sequence, restarted the phone. in master config its all showing green but volte provisioning is disabled and in network settings i am not seeing volte.
Click to expand...
Click to collapse

Baljeet Khairwal said:
First You See Volte Option or not.
Click to expand...
Click to collapse
no i am not seeing volte option in settings > network >

So this worked for me, but how can I tell if it is actually making calls via VOLTE? It looks like my 4g velvet still drops to 3g for calls on T mobile?

Hi,
I have the Lg velvet G900um10h, im trying to use in europe, its bought from the US, and its at&t,.
I followed your instructions, the volte doesnt show on network, and im not able to enable it either, it says on
field test that volte is on. What should i do? ive been trying to make this phone work for a long time.

Hello bro mine is unlocked AT&T, right now mobile data is working. Unable to call.
Did all the steps as mentioned by you.
But after rebooting VoLTE not appearing.
Kindly help.
Model LM-G900UM

Thanks so much friend. With your guidance, you got VoLTE working with my carrier.

I have no field test option in my lg velvet g900n and *#*#4636#*#* code is not working.. what can i do? Someone help!

saidul7 said:
I have no field test option in my lg velvet g900n and *#*#4636#*#* code is not working.. what can i do? Someone h
Click to expand...
Click to collapse
*#*#4636#*#* //.///
Try this.

Chyt said:
*#*#4636#*#* //.///
Try this.
Click to expand...
Click to collapse
I have LF Velvet 5G Japanese version unlocked to DOCOMO. MOdel is L52-A. What code should I use to enter hidden menu?

I have LF Velvet 5G Japanese version unlocked to DOCOMO. MOdel is L52-A. What code should I use to enter hidden menu?

anujsingapore said:
I have LF Velvet 5G Japanese version unlocked to DOCOMO. MOdel is L52-A. What code should I use to enter hidden menu?
Click to expand...
Click to collapse
#*462633*#900#
theoretically...

Thanks, but the / and . Options are not available with my keypad, and the 900 option followed by # doesn't yield anything, the screen status there at the dial pad.