RETURN TO STOCK TOT METHOD for AT&T H810 !!
How to Flash YouTube Video:
1. Download Everything!
1.1) Download Both Stock Image & DLL File – Download HERE & DLL File HERE
1.2) Download LG FlashTools V1.8 - Setup_LGFlashTool_184.108.40.2063.exe - 9.3 Mb
1.3) Download Drivers (Any LG Phone) - Here (Verizon Only) – Here
1.4) Megalock DLL File - Megalock.dll Download
2. Install LG Drviers
3. Install Flashtool (Don’t run it yet)
4. Extract the TOT file from the Zip
5. Copy MegaLock.dll file to C:\LG\LGFlashtool (This might be a hidden folder so enable "hidden folders". Replace the old MegaLock.dll file)
6. Power off your Device & or pull battery (G3),(G Pro),(G Flex)
7. Press and hold the Vol UP Key and plug in the USB cable to your phone you should now see “Firmware Update/Download Mode” and be in Download mode.
8. Open up Device Manger on your PC
8.1) Click on ports and double click LGEModem
8.2) Go to Port Settings Tab and click Advanced
8.3) Change COM Port to COM41 and click Okay.
8.4) After this you may need to rereboot your phone back into download mode.
9. Run LG Flashtool as Administrator
10. Select Manual Mode at the top
11. Click The DLL Box and choose the DLL file from Above meant for your device
12. Click the S/W box and select the firmware file with the .tot extension, Then Click OK when done.
13. Now Click the Yellow Arrow Button at the top left, The Firmware install will be triggered
14. You may need to unplug/replug phone before Firmware install will start (If it does nothing after clicking the yellow button
15. Should take anywhere between 4-8 Minutes, When its done your phone should reboot
16. LG G3 Only, After reboot you will be presented with a Factory reset screen, Just pull battery and put it back in and it should boot right up!
Do NOT Close the FlashTool Window during firmware update.
99% of the time FlashTool will FAIL after 85% anything after 85% is just your phone rebooting so your safe
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