Sim Unlock [Guide][Root][zv5,zv6][zv9 with downgrade]

[mayrer]

If you're on zv9,first flash zv6 and unlock sim, after that flash zv9.
Sim Unlock for zv5,av6 without bugs.
After sim unlock wi-fi hotspot, bluetooth tethering and usb tethering will be in the
settings menu.

TEST2. Test new folder carrier, apn setting unblocked after downgrade and back roaming setting in setting, try this.

Instruction:
1) Root the smartphone.
2) Enable "usb debugging" in "developer options" and plug device to PC.
(For enable "developer option" in "settings", open "about phone", after that press "software info" and tap seven times on "build namber".)
3) Download this and unzip on your PC.

For unlock gsm(root) enter 1 and press Enter:
and follow the instructions.

For open hidden apn settings(root) enter 2 and press Enter:
and follow the instructions.

For open hidden apn settings(without root) enter 3 and press Enter:
and follow the instructions.

For disable hands free activation(without root) enter 4 and press Enter:
and follow the instructions.

4) If after unlock on your phone written "invalid sim" try tools with v2 version nobe.db.

Bonus: Mod Shortcut Master with hidden menus for LS991.
(apn settings, itson setting, ... ) Just about 20 useful hidden settings.
Instruction:
Install apk and open it and you see all

Old method(manually):

1) Install Root Explorer or any root file manager.
2) Backup the contents of your folder carrier/app.
3) Download View attachment apps.zip and extract to your phone.
4) Now copy the contents of apps.zip(node.db and node.db-journal) and replace the original files from carrier/apps/ folder.
5) Change permissions for files node.db and node.db-journal is rw-r--r-- (0644).

6) Reboot.
7) Install Shortcut master and open it.
8) Press "menu" and press "search" , in search field enter

itsonsetting

and press "search", after search press on one result "Service Programu" and
press "launch", in new window press "ItsOn" and change on "Disable" after that
your smartphone do reboot.
9) Profit!

Bonus
Disable Handsfree Activate without delete apps:
Open Shortcut master press "menu" and press "search" , in search field enter

iot.ltesetting

and press "search", after search press on the first result "Service Programu" and
press "launch", in new window press "Operation Mode" and change on "Lab Network" after that
your smartphone do reboot.

APN settings:
1) Use Root Explorer
2) Download View attachment apns-conf.zip and extract to your phone.
3) Now copy apns-conf.xml(which is from the archive) and replace the original file from system/etc folder.
4) After replace change permissions for file apns-conf.xml is rw-r--r-- (0644).
5) Reboot.
6) Go to "settings"=>"roaming"=>"access point names" press menu and press reset to default.
You will see that APN for your GSM network is created automatically.
7) For cdma network create apn manually.

 

[Graab]

it works. thanks again

 

[Alexander Kalinin]

Works Perfect!
Thanks!

 

[htconem8831c]

Is this method works for Sprint HTC One m8?


Sent from my 831C using XDA Free mobile app

 

[Tech_Savvy]

Will this work for zv4

 

[mayrer]

Will this work for zv4

Save the contents of your folder carrier and try. I think it's working on zv4.

 

[SD2014]

Hey guys. I tried this after I flashed my phone using the zv5 tot in another thread on this forum. The phone's sim worked for a short time (a couple hours?? I could browse without wifi but didn't test for calls). It seemed to reset itself and I've tried to use the above process but to no avail. I've noticed that the node.db file keeps changing to rw-r--w-- even after repeated attempts. Not sure if it's only this file that has changed or if a bigger problem exists. Your input would be appreciated!

 

[mayrer]

Hey guys. I tried this after I flashed my phone using the zv5 tot in another thread on this forum. The phone's sim worked for a short time (a couple hours?? I could browse without wifi but didn't test for calls). It seemed to reset itself and I've tried to use the above process but to no avail. I've noticed that the node.db file keeps changing to rw-r--w-- even after repeated attempts. Not sure if it's only this file that has changed or if a bigger problem exists. Your input would be appreciated!

You did paragraphs 7) and 8) ?

 

[mayrer]

I've noticed that the node.db file keeps changing to rw-r--w-- even after repeated attempts.

Try different file manager.

 

[SD2014]

You did paragraphs 7) and 8) ?

Yep. Even did the bonus step But yes, definitely followed the steps correctly

---------- Post added at 04:27 PM ---------- Previous post was at 04:11 PM ----------

Try different file manager.

Used ES file explorer before. Per your advice installed Total Commander. The file stays at rwrr now (thanks!). Phone still not sim unlocked, though

Edit: to be clear, when I first tried this, the node file stayed at rwrr. It was only later after the phone "reset" itself (not sure what else to call it) that it changed to rwrw

Edit 2: wait, spoke too soon. I went to settings and changed the network mode from "global" to "gsm/umts" and the node file went back to rwrw

 

[SD2014]

In order to do a "clean" unlock using the steps above, I reflashed and rerooted my phone

http://forum.xda-developers.com/g4/general/guide-lg-g4-stock-firmware-to-stock-kdz-t3107848
(http://forum.xda-developers.com/g4/orig-development/root-tmo-vzw-intl-variants-soon-root-lg-t3164765)

After searching for how to disable OTA updates on my sprint lg g4, BEFORE I implemented your steps, I found that the uicc was locked in system updates, so gsm couldn't be used. After going through the steps above AND also blocking ota with debloater, I get the message "Unfortunately, Settings has stopped" when trying to acces system updates.

Has anyone else found this? Is this supposed to happen to get the sim unlock, mayrer?

Still getting "invalid sim" at boot :crying:

 

[mayrer]

Has anyone else found this? Is this supposed to happen to get the sim unlock, mayrer?

This should not have happened...
You are the first who have problems.Do everything exactly according to instructions.
I recommended root explorer.

 

[SD2014]

This should not have happened...
You are the first who have problems.Do everything exactly according to instructions.
I recommended root explorer.

It shouldn't have happened but it did. I followed the directions exactly. No deviations

---------- Post added at 05:22 PM ---------- Previous post was at 05:13 PM ----------

Is there anyone else who has tried this method who has a carrier-locked lg g4 ls991 (Sprint variation from the US)? This seems to be one of those phones in which developers are having a hard time.

 

[mayrer]

It shouldn't have happened but it did. I followed the directions exactly. No deviations

this guide has helped about 10 people.
look at the problem in your device

 

[SD2014]

this guide has helped about 10 people.
look at the problem in your device

I'm not saying that there's a problem with your guide. I'm saying that I followed the instructions exactly as you wrote them. If you can direct me to another area to focus on in my device, I'll be happy to do so. The file manager didn't seem to be the problem. Other ideas?

By the way, I do appreciate your assistance!

 

[synt3k]

Excuse my ignorance, but which networks can the Sprint G4 work on once it has been SIM unlocked?

 

[mayrer]

Other ideas?

no ideas right now, I will think.

 

[mayrer]

Excuse my ignorance, but which networks can the Sprint G4 work on once it has been SIM unlocked?

I dont know. I'm from Europe.
You can try, but first save the contents of your folder carrier.

 

[synt3k]

I was just curious if it had the radios/antennas/ability to use GSM networks, or if it's just unlocked to CDMA networks.

 

[mayrer]

I was just curious if it had the radios/antennas/ability to use GSM networks, or if it's just unlocked to CDMA networks.

This unlock gsm. Cdma is not locked and and can easily be programmed cdma workshop or dfs.
I use gsm and cdma.