How to Gsm unlock (T-mobile confirmed working) - Sprint LG G3

IT IS NOT MY FAULT IF YOUR DEVICE(S) BREAK!!!!!!
Step 1:
Download "Shortcut master" pro or lite doesn't matter
Step 2:
Go into "Shortcut master" and click the little 3 dotted menu and click "Search..."
Step 3:
Click the little drop down in the upper left corner and select "System apps"
Step 4:
Then on the line labeled "Enter text to search" type "IOT" then click "Search"
Step 5:
Click on the option that says "com.lge.SprintHiddenMenu.iot.IotHiddenMenuMai n" some options will come up click on the little start that says "Favorite" and then click "Launch" and grant shortcut master su permisson
Step 6:
Click on Network mode and use the drop down menu to scroll down and select "GSM only" If done your signal bars should have a little red "x" over them
Step 7:
Click the back button until you get back to "Shortcut master" then search for "apn"
Step 8:
Click on "com.lge.hiddenmenu.vzw_only.ApnSettings" and "Favorite and Launch it"
Step 9:
Edit any apn but the one labeled "Internet" then the one you choose to edit you have to put in the settings for the carrier(s) you want.
Step 10:
Save your settings and reboot
Step 11:
Go to settings>roaming>scroll down for gsm options
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Revert (back to cdma)
Step 1: Go back into your IOT settings and select system selection and change it one of the cdma options
Step 2: Go back to the apn settings and swap them back to "Internet"
Step 3 Reboot and have cdma again
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I don't have any gsm carrier so I cannot show any proff of this working on gsm but I did take screen shots of the settings with gsm unlocked also some report this working on tmobile:
{
"lightbox_close": "Close",
"lightbox_next": "Next",
"lightbox_previous": "Previous",
"lightbox_error": "The requested content cannot be loaded. Please try again later.",
"lightbox_start_slideshow": "Start slideshow",
"lightbox_stop_slideshow": "Stop slideshow",
"lightbox_full_screen": "Full screen",
"lightbox_thumbnails": "Thumbnails",
"lightbox_download": "Download",
"lightbox_share": "Share",
"lightbox_zoom": "Zoom",
"lightbox_new_window": "New window",
"lightbox_toggle_sidebar": "Toggle sidebar"
}
(This is a image from "jamesb85" so thank you to him)
(His image shows his ls990 on tmobile 4G and in his status bar it shows "gsm" IT DOES WORK)

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This does work on t-mobile

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If you do try this and it works please comment what carrier(s) it worked what kind of connections your getting (LTE,4G, E). Then see what country your using this in (please).

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1619415 said:
If you do try this and it works please comment what carrier(s) it worked what kind of connections your getting (LTE,4G, E). Then see what country your using this in (please).
Click to expand...
Click to collapse
errrr, i tried this 3 file methode, like carrier.rar and all
didnt work
now i am trying yours, and I am getting forceclose when I select sprinthiddenmenu
I have t-mobile sim card in the phone, but it says sim not found

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theghazi said:
errrr, i tried this 3 file methode, like carrier.rar and all
didnt work
now i am trying yours, and I am getting forceclose when I select sprinthiddenmenu
I have t-mobile sim card in the phone, but it says sim not found
Click to expand...
Click to collapse
try going back to sprint sim do the guide then reinsert your sim card for tmobile

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I take no credit for this. Post is found many places. One is here
http://forum.xda-developers.com/showpost.php?p=55163842&postcount=33
You can actually change the build.prop to whatever carrier you'd like, including TMO, or VZW, etc to get the data arrows you want.
Hope this helps and clears this thread up

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cbernardo13 said:
I take no credit for this. Post is found many places. One is here
http://forum.xda-developers.com/showpost.php?p=55163842&postcount=33
You can actually change the build.prop to whatever carrier you'd like, including TMO, or VZW, etc to get the data arrows you want.
Hope this helps and clears this thread up
Click to expand...
Click to collapse
No other method worked for me other than this one! THANK YOU SO MUCH!!!!!!!!!!!!1

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Glad I could help

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Would this method work with AT&T?

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cbernardo13 said:
You can actually change the build.prop to whatever carrier you'd like, including TMO, or VZW, etc to get the data arrows you want.
Click to expand...
Click to collapse
You mean changing SPR to TMO or VZR? And what do you mean by data arrow?

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pringles_bbq said:
You mean changing SPR to TMO or VZR? And what do you mean by data arrow?
Click to expand...
Click to collapse
Thats correct. You can change them to whatever you want. I also forgot that you have to change some properties in the settings.db to avoid having to dial +1 in front of it
Go to this link, tells you exactly what to modify
http://forum.xda-developers.com/showpost.php?p=55625936&postcount=105

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Unlock LG LS660?
pringles_bbq said:
You mean changing SPR to TMO or VZR? And what do you mean by data arrow?
Click to expand...
Click to collapse
Hey guys! I needs your help, anyone know how to unlock LG LS660 Sprint? I need use the micro sim card with others operators...

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Mod Edit
Thread Closed - Closed at OP request
ronnie498
Forum Moderator