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[Completed] [Q] LG Optimus G will not boot after flashing

Hello. I have an LG Optimius G E975. I have rooted my phone previously and recently, I had stupidly software updated my phone and at first was stuck at the LG logo sign. I used the LGNPST to attempt to flash it but it had failed and now, I cannot even get the logo to show up. The whole screen is black and the only time something shows is when it is in download mode. I cannot seem to exit the download mode either. Once, the screen was black and red led was flashing. I searched it up and it told me to do a battery pull, but unfortunately that did not work either. Now I'm really left with nothing to do. I was wondering if I can go to the shop and ask them for warranty? Or will the root have voided the warranty? And if it does, how do I fix it??
Thank you so much. I seek your help and I really hope I can fix this.

May I recommend asking in the Optimus G Q&A, Help & Troubleshooting
You'll have users who are more familiar with the phone and may be able to guide you to a solution.

[Completed] Need expert to help with recovery mode

So I have a Verizon LG G2 phone that I rooted. I was installed Clockwork mod but then I heard that TWRP was better so I tried to flash it. After that whenever I boot into recovery I get a" secure boot error" ,I think it is, and then the screen goes black and it will re-boot. I tried to flash other recoveries with other flashing tools but it still will show up with the same error. I was thinking that maybe it had something to do with the bootloader and Loki. I can't find any help and don't know what to do.

aman765 said:
So I have a Verizon LG G2 phone that I rooted. I was installed Clockwork mod but then I heard that TWRP was better so I tried to flash it. After that whenever I boot into recovery I get a" secure boot error" ,I think it is, and then the screen goes black and it will re-boot. I tried to flash other recoveries with other flashing tools but it still will show up with the same error. I was thinking that maybe it had something to do with the bootloader and Loki. I can't find any help and don't know what to do.
Click to expand...
Click to collapse
I find many such reports.
E.g. here, here, here, here and here.
You can read these threads ... maybe there you will find a solution that can fix this issue for you too.
And here is a guide for fixing the LG G2: LG G2 > G2 General > [FIX] NO Recovery mode, No download mode, after OTA on rooted LG G2 ... maybe not exactly your situation.
If it cannot help in your case, please post your question in LG G2 > G2 Q&A, Help & Troubleshooting ... hopefully an experienced user with your device can point you to a fix quickly.

Thank you do look much!
I finally got it fixed thanks to you.

[Q] LG G2 Broken recovery. need help

So I have a Verizon LG G2 phone that I rooted. I was installed Clockwork mod but then I heard that TWRP was better so I tried to flash it. After that whenever I boot into recovery I get a" secure boot error" ,I think it is, and then the screen goes black and it will re-boot. I tried to flash other recoveries with other flashing tools but it still will show up with the same error. I was thinking that maybe it had something to do with the bootloader and Loki. I can't find any help and don't know what to do.

Hi!
There is a section for your device on XDA... Found here...
LG G2G2 Q&A, Help & Troubleshooting
Definitely the best place to ask for help, as it is filed with members with the same device!
Good luck! ?

[Completed] LG G2 bricked completedly

I was not seeing any OTA updates (hoping for a Lollipop update), decided to try LG PC Suite. Oddly, this said a 20c update was available to my 20b ROM (stock 4.4 international I believe).
I tried backing up in the suite first but that failed. So I just manually backed up what I needed.
I then did the update, the phone completed, then PC Suite completed, the phone rebooted but stuck at the LG logo.
Download mode will not work
recovery mode will not work
Fastboot is the only menu I can get up.
I 've tried following numerous threads, including one to get the mini sdk on here, but the link for the mini sdk is broken. But I've downloaded various ADBs and fastboot, but fastboot will not recognise my D802. I installed a driver that did appear to load all drivers, but still in device manager on W7, my phone is listed as Android Device under "other", so something isn't loading correctly. Yes, I've restarted laptop, rebooted with cable in, cable out. into and out of fastboot, but still nothing.
So I am completely bolloxed at this stage, stuck with a phone that appears to only be an advertising screen for LG, and nothing more.
What else can I try? I don't have TWRP as it was bone stock.
I have emailed LG UK asking WTF they intend on doing about it. I used an update provided through their software in good faith, I don't expect it to totally **** up my phone in the process.
Any help or suggestions appreciated.

Hi there,
There is few methods to recover your device. Please see bellow:
LG G2 is UNBRICKABLE NOW! [FIX REAL HARD BRICK]
[FIX] NO Recovery mode, No download mode, after OTA on rooted LG G2
[HOW TO] Fix your bricked LG G2 (All Variants)
If you can't resolve with that tutorials then register an account on XDA and ask directly there or in this general thread for questions:
[HELP THREAD][Noob Friendly] LG G2 Ask any question
Good luck

[Completed] LG G2 brick unique situation urgent help

So I have a lg g2 d802. I purchased it yesterday. I am fond of android devices and have had them before. So first of all I rooted my device using kingo rooter software it worked. To install custom ROM I needed recovery. So I googled and found that I needed to install software known as autorec. I installed that the installation went smooth. When I clicked reboot to recovery. My phone restarted in fastboot mode with no access to recovery or download mode. By searching around on the net I found fastboot commands and some how miraculously erased partition. Recovery. Etc I got it to work the download mode. And stuff. My phone was restored but the touch was way out of order. Not usable at all. I searched and found out that installing stock ROM kdz with the help of lg flash tool will fix the case. I did that but after wards my phone boots and gets stuck on boot screen lg logo. I press volume down n power I get factory reset which doesn't work. Same thing happens. I get download mode with screen of five dots only no USB made as before. So I am stuck Here. Fast boot doesn't work now either. Lg flash tool doesn't recognize my device either. With many tries I am only able to get lg Android net or mtp in device manager but doesn't help the process in anyway. Please help me I bought phone out of my savings just yesterday and cant afford a new one. I think the idea would be to get download mode working again?

Hi there,
You'd be best served asking for help from the experts who own your device, here:
[HELP THREAD][Noob Friendly] LG G2 Ask any question
But before asking something please read this threads:
LG G2 is UNBRICKABLE NOW! [FIX REAL HARD BRICK]
[FIX] NO Recovery mode, No download mode, after OTA on rooted LG G2
[FIX] Bricked LG G2 D800/1/2/3 FlashTool Fail Fix Download Mode Only
Good luck