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Downgrade 7.0 to 6.0

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By Al3xCooki3, Junior Member on 27th June 2018, 03:07 PM
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Hello everyone, it's been many months since I'm using the official LG v29a beta ROM installed with the booloader locked with LGUP.
I would like to go back to Marshmallow how can I do? My G4 is Italian no brand.
 
 
27th June 2018, 04:39 PM |#2  
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Quote:
Originally Posted by Al3xCooki3

Hello everyone, it's been many months since I'm using the official LG v29a beta ROM installed with the booloader locked with LGUP.
I would like to go back to Marshmallow how can I do? My G4 is Italian no brand.

Cazzo... did you try the search box?

Doesn't matter. If I already lost a minute writing that, I can also advise you...
Flash V20p.kdz with LGUP. Don't forget you need to use the right .dll for the phone to be recognized.

If you use the search box you'll find what you need.
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27th June 2018, 06:27 PM |#3  
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Originally Posted by RuedasLocas

Cazzo... did you try the search box?

Doesn't matter. If I already lost a minute writing that, I can also advise you...
Flash V20p.kdz with LGUP. Don't forget you need to use the right .dll for the phone to be recognized.

If you use the search box you'll find what you need.

Sorry but I do not sail much in this forum! How do I know which right dll to use?
27th June 2018, 06:57 PM |#4  
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Originally Posted by Al3xCooki3

Sorry but I do not sail much in this forum! How do I know which right dll to use?

I'll send you the files by PM otherwise this will become a long conversation.
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27th June 2018, 06:59 PM |#5  
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Originally Posted by RuedasLocas

I'll send you the files by PM otherwise this will become a long conversation.

Tank you
29th June 2018, 04:15 AM |#6  
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I have the same problem. I have updated my LG G4 to 7.0 beta. Now the problem for me is I can't able to boot into download mode it says "Your device is corrupt. It cannot be trusted and will not boot" phone is booting until lokscreen it freezes there and restart again.
My Lg G4 is from Taiwan. It doesn't allow to unlock bootloader. Any help much appriciated.
29th June 2018, 07:53 AM |#7  
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Originally Posted by ronniem88

I have the same problem. I have updated my LG G4 to 7.0 beta. Now the problem for me is I can't able to boot into download mode it says "Your device is corrupt. It cannot be trusted and will not boot" phone is booting until lokscreen it freezes there and restart again.
My Lg G4 is from Taiwan. It doesn't allow to unlock bootloader. Any help much appriciated.

Corrupted Bottloader is not the Thread. Power Button to Continue and Downloadmode starts!!!

for downgrade to MM use:
https://forum.xda-developers.com/sho...php?p=73642302

Firmware is to search!!!
1st July 2018, 03:22 PM |#8  
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Originally Posted by uweork

Corrupted Bottloader is not the Thread. Power Button to Continue and Downloadmode starts!!!

for downgrade to MM use:
https://forum.xda-developers.com/sho...php?p=73642302

Firmware is to search!!!

Thank you for the reply but my phone is not booting in download mode at all
1st July 2018, 04:09 PM |#9  
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Originally Posted by ronniem88

Thank you for the reply but my phone is not booting in download mode at all

If you're stuck in LG logo boot up, just try to start LGUP (having the right files), connect the phone to a USB2 port and start the process.

Today, after try the RR ROM, I re-install v29a with TWRP but got stuck on the LG logo boot up, I just disconnected the phone from the computer, turned ON LGUP, connected the phone, was detected as it should and re-flash the v20p.kdz again. No problem... try it.
Can also see this: https://forum.xda-developers.com/sho...1&postcount=30

Good luck.
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