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LG V20 CDMA to LTE/GSM switch via Hidden Menu

• Thread starter vlad48
• Starting time date May six, 2017

• #161

Yous cannot do that. If you need it only option is to sell the phone. Flashing wrong model firmware won't piece of work and or volition perm brick the device.

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Cheers

• #162

If you lot could wink different carrier firmware then we wouldn't take to go through the mess to unlock it.

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---------- Mail service added at 04:45 AM ---------- Previous mail service was at 04:44 AM ----------

I supposedly got my Sprint LG V20 unlocked through LGSimunlock.....only as mentioned here in previous posts it never connects.....betoken drops.....sometimes can phone call other phones, but cannot telephone call this one. I live overseas in Saint Lucia and called Sprint. They said that the phones needs to be on Sprint service for at least a year before it's TRULY unlocked. And that it will work flawlessly Sprint there in the U.S., but not overseas. I cannot become the UICC unlocked, nor is there any place to put the local APN hither on the phone since it'southward version now is LS997ZVD. Is in that location anyway to revert back to version 7 or viii to be able to install the HiddenMenuCall app? Any help would exist profoundly appreciated

You cannot downgrade due to antirollback. The service consequence is common more than especially in lower signal areas. There'southward no set up for that for sprint devices being used on gsm carriers.

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• #164

Sim Doesn't work

Please help me out. I'm in Zambia of Africa and I bought LG v20 Ls997 online. Merely the phone won't read Simcards from here. I confirmed with Sprint that this phone was paid for. Delight help.

• #165

Please help me out. I'yard in Republic of zambia of Africa and I bought LG v20 Ls997 online. But the phone won't read Simcards from here. I confirmed with Sprint that this phone was paid for. Please assist.

Best affair to practice in that situation is to sell the phone and buy an bodily gsm unlocked phone. Or render the telephone where you got information technology from.

Did y'all brand certain network mode was set to global or GSM/WCDMA. If information technology's set to cdma it'south not gonna work.

Only other wise I'd advise returning it

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• #166

Hi, I downward this app and copy to my phone and install to my telephone. Launch it, it only shows 5 options : Device Test, ELT Exam, Mill Reset, Log Service and WVDRM keybox. It doesnt has IOT (..) option. Please advice. I take sprint CDMA LG V20. The phone is unlock, phone call and text just information is non working. Thanks

• #167

How-do-you-do, I down this app and copy to my phone and install to my phone. Launch it, it only shows five options : Device Test, ELT Exam, Factory Reset, Log Service and WVDRM keybox. Information technology doesnt has IOT (..) choice. Delight advice. I have sprint CDMA LG V20. The telephone is unlock, telephone call and text only information is not working. Thanks

It's been posted many many many times

1. Hidden menu won't piece of work if you've updated OR gotten a remote unlock.

two. Yous must input your APN for your carrier for information to piece of work.

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• #168

Information technology's been posted many many many times

1. Hidden bill of fare won't work if you've updated OR gotten a remote unlock.

2. Yous must input your APN for your carrier for data to work.

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Thank you you very much. Information technology works after I enter my provider VPN setting.

I have an another question. My phone is unlock and piece of work, but when every time I swap a new SIM (TMO or ATT) the device will not detect the SIM once again. So, I have factory reset it once again. Even I try to restore to my backup. Afterward boot upward the phone will show no SIM detect (SIM with 'ten' icon). Please assistance. Thanks.

• #169

Thanks you very much. It works afterwards I enter my provider VPN setting.

I have an another question. My telephone is unlock and work, merely when every time I swap a new SIM (TMO or ATT) the device will not find the SIM over again. Then, I accept mill reset it once more. Even I try to restore to my backup. After boot up the phone will show no SIM detect (SIM with '10' icon). Please help. Thanks.

You stated your phone is a CDMA dart phone, tmo and att are GSM carriers that's why those Sims don't work

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• #170

You stated your phone is a CDMA sprint phone, tmo and att are GSM carriers that's why those Sims don't work

Sent from my LG-H910 using XDA Labs

Incorrect... it's non recommended simply it does work when unlocked on gsm networks. Not corking, but information technology supports it.

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• #171

Hello guys, I take a LS997 and it was unlocked and was useful with my carrier (Telcel) until today.

I accidentally choosed "CDMA+/LTE EVO" on the "Select Preferred options), on settings -> more -> mobile networks -> set Preferred network.

The signal went out and I'g unabled to brand calls and apply Data (I can receive SMS, and also it detects Telcel on AIDA64). And I'chiliad unabled to enter the "Mobile Networks" carte du jour now.

I had tried the HiddenMenu app, only I get this result:

Can anyone please help me? I recall is non a big issue but I'm running out of ideas.

Attachments

• #172

Hello guys, I take a LS997 and it was unlocked and was useful with my carrier (Telcel) until today.

I accidentally choosed "CDMA+/LTE EVO" on the "Select Preferred options), on settings -> more -> mobile networks -> fix Preferred network.

The indicate went out and I'm unabled to make calls and apply Information (I can receive SMS, and also information technology detects Telcel on AIDA64). And I'1000 unabled to enter the "Mobile Networks" carte du jour now.

I had tried the HiddenMenu app, but I get this result:

Can anyone please assist me? I think is non a big upshot just I'grand running out of ideas.

I'yard guessing you had a remote unlock. You'll prob have to pay for it over again

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• #173

Hullo guys, I have a LS997 and it was unlocked and was useful with my carrier (Telcel) until today.

I accidentally choosed "CDMA+/LTE EVO" on the "Select Preferred options), on settings -> more -> mobile networks -> set up Preferred network.

The indicate went out and I'chiliad unabled to make calls and utilize Information (I tin can receive SMS, and also information technology detects Telcel on AIDA64). And I'm unabled to enter the "Mobile Networks" card now.

I had tried the HiddenMenu app, but I get this upshot:

BTW I take Security Patch February 2018

Tin can anyone please help me? I think is not a big result only I'one thousand running out of ideas.

Attachments

• 
  Screenshot_2018-07-09-23-51-06.png

• #174

Hello guys, I have a LS997 and information technology was unlocked and was useful with my carrier (Telcel) until today.

I accidentally choosed "CDMA+/LTE EVO" on the "Select Preferred options), on settings -> more -> mobile networks -> set Preferred network.

The signal went out and I'yard unabled to brand calls and use Data (I can receive SMS, and also information technology detects Telcel on AIDA64). And I'thou unabled to enter the "Mobile Networks" menu now.

I had tried the HiddenMenu app, but I get this result:

BTW I have Security Patch February 2018

Can anyone please help me? I recollect is not a big issue simply I'chiliad running out of ideas.

Why post the aforementioned again?

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• #175

Where does it store the firmware and bootloader? What if we change that on the ls997 zvd so wink the international firmware? Would that work?

• #176

Where does it shop the firmware and bootloader? What if we alter that on the ls997 zvd and then wink the international firmware? Would that work?

No

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• #177

Hello
Lg v20 dart ls997zvb if unlocked ( gcpro)it will relock after update or information technology ispermanent thanks

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• #178

no show lte

Hi
I have lgv20 h910pr with software version v10j-clr-pr
and android 7.
I insert sim4g just no bear witness in preferred network blazon 4g information technology is but 2g/3g/auto.
I see in subconscious bill of fare lte and i change to merely lte but still no testify lte.
How i can getting lte.
Sombody tell me you lot must root device and delete config lte and then in update eye come up update config lte when update it so add lte to network.
Is it correct?
Plz assist

• #179

Hi

I accept lgv20 h910pr with software version v10j-clr-pr

and android seven.

I insert sim4g only no show in preferred network type 4g information technology is just 2g/3g/auto.

I see in hidden menu lte and i change to simply lte just yet no show lte.

How i can getting lte.

Sombody tell me you must root device and delete config lte then in update center come up update config lte when update it and so add together lte to network.

Is information technology correct?

Plz aid

Are you sure it supports the lte bands of your carrier? And since your selecting LTE but which will just give yous data did you set the correct APN for your carrier??

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• #180

Are y'all sure it supports the lte bands of your carrier? And since your selecting LTE just which volition just requite you data did you fix the right APN for your carrier??

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In our country there are lte bands.
When i select only lte no modify to lte and information technology is 3g nevertheless.
I prepare correct apn for my carrier.
Other people have lgv20 in my land and they have lte network in your devic.
Plz assistance

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Source: https://forum.xda-developers.com/t/lg-v20-cdma-to-lte-gsm-switch-via-hidden-menu.3602409/page-9

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