Repair guides for Android cell phones manufactured by LG.

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My LG G STYLO secure booting error

My LG G STYLO bricked itself, and keep showing secure booting error,

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My lg stylo style is stuck in secure boot error. Cause : boot certification verify and i can't get it into download mode. Please help me

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4 Answers

Go to my youtube channel and the fix is their .

https://www.youtube.com/channel/UCsXsbH5...

By the way while your their please like if it worked and subscribe.

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hi

my lg g4 secure boot error! error code 1003

cant inter download mode

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I try to boost it into TWRP

But it comes up:

[6290]secure booting error

[6290] cause:boot certification error.

Do anyone know how to fix it??

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Download and Install LG Android Drivers On your PC

Make sure have Unlocked bootloader of LG G4.

Make sure you have installed TWRP In LG G4

Download the custom ROM file, Doc_Test.zip from the given link

Now Connect your LG G4 to PC.

Transfer the Rom zip file to your LG G4 internal/external memory

Reboot into recovery mode.

Flash custom ROM now. In TWRP recovery, tap on Install, and then browse to ROM file(Doc_Test.zip) and tap on it to select it for installation. On next screen, just do the ‘Swipe to Confirm Flash’ to install root on LG G4.

You will get Successful written in blue text on next screen, tap on Reboot System. Wait for the device to boot up.

Get more support from LG G4 Manual.

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