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[Guide/ Pictorial /Video ] How to solve Security error/Flash Stock TOT file LG E970

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i get failed to load settings xml file. Reason system does not support the specified encoding.
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Thank you, this was very helpful.
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Default Full Jellybean on Mako

Dear Sir,

i want to go back to my stock rom using LGNPST, but when i connect my phone in download mode it says "LG Full Jellybean on Mako" and dont detect my phone on LGNPST, i format all my data using TWRP 2.6.3.

please help me how can i get back to normal mode to flash stock tot file.

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Thank you so much. This is a really useful guide.
Thankfully I haven't run into any such problems for now but I have bookmarked this page in case something like this happens in the future.
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Thank you for the guide, but it isn't working for me. I hope you can help me fix my problem.

I installed LGNPST as instructed, but when I plug in my phone there is no installation of drivers and LGNPST does not recognize that my device is connected. My phone goes into Download Mode, but nothing happens on the computer. This is at about 3:30 in your video.

I have tried this on three different computers with four different USB cables and have physically cleaned out the port on my phone. I have also installed the E970 drivers that the LG site provides.

Can you help me fix this issue?
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After flash this, would radio also be back to stock?
I was having a null IMEI, so I restored efs from the backup file that was generated when i first rooted the phone. So supposedly that backup should be good. But that still didn't fix the issue. Then I tried flash this. Rom goes back to stock but the isssue still there.
Just wondering if flash the stock radio would help.
Strang thing now the phone does not care whether is SIM card.
No warning even if sim card is removed.
Thanks for the help.
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Hi, that is great, you are amazing, thanks for you!

Sent from my LG Optimus G using XDA Free mobile app
Device : LG Optimus G AT&T E970

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