![]() ![]() This will create a signed image called boot_bumped.img-lg-d855 in /tmp/pmOS_export/. Python2 open_bump.py "/tmp/pmOS_export/boot.img-lg-d855" Then we need a tool called Open_Bump, which can sign boot images for our device. To do this, you need to first export your boot.img-lg-d855: This happens because the bootloader on the d855 variant of the LG G3 can not be unlocked and you have to trick the bootloader into thinking your boot image is legitimate. The message is shown for 3 seconds, then the screen blacks out and the LED will blink red and blue indefinitely. Pmbootstrap flasher boot command, as it will otherwise show this error: Pmbootstrap will successfully flash rootfs and kernel, however the device will only boot if you use the Up until fastboot pops up Signing the boot image Plug in USB-cable while still holding Vol. More detailed instructions for this can be found hereĪfterwards, you can boot into fastboot by following these steps:ģ. There is also another method for unbricking Qualcomm devices, but I did not have to use that one.Dd if =/dev/block/platform/msm_sdcc.1/by-name/laf of =/sdcard/laf.img #backup LGs Download mode to the internal SD just in caseĭd if =/dev/zero of =/dev/block/platform/msm_sdcc.1/by-name/laf #Overwrite laf with zeroes, enabling fastboot exitĪdb reboot bootloader #reboot directly to fastboot To find proper roms you might try the following pages: KDZ: for this method follow this post again, starting from How to flash ROM KDZ Method.TOT + dll method: for this method follow this post from the section 2015 (updated with pictures) TOT Method, also this post is useful. ![]() There are two methods (or maybe more) for flashing rom to you LG G3. So you might want to invest some time to find the correct rom for your device. I was unlucky with the ROM and managed to install one with malware on it. Do a « read/Write » again, this time it should be aįor the remaining of the steps regarding the BoardDiag tool I suggest you follow open-freax post. With your metal wire to have 9008 mode, that’s pain in the a*s but List switch « Read/Write » to « Erase », unplug/plug your G3 (always Me, you have nothing but a huge FAIL on the EMMC test, in the options If you’re lucky enough (again) both of the tests will be OK. FAIL on the EMMC test - If you manage to get through the AP Chech test, and receive FAIL for the EMMC the solution is provided in the open-freax post:.Hold the short for a bit longer this time. Throws an error about not being in dload mode you need to restart the once you have extracted the firmware and set up the program with the correct port you need to Check "AP" and "EMMC" then press start.īe sure not to select any partitions or change any other options than.Turns out, this problem occurs if you release the shorting of the pins a bit too early: "device not found in dload trying flash programmer" - I got this message when running the initial step of BoardDiag.If you follow carefully the reddit post (and if you are a bit lucky), you might get through this process without a problem. I used version 2.99a.Įdit: Here another post providing photos for getting into Qualcomm mode The tools to use: i) Qualcomm drivers: the drivers in the reddit link are legit ii) willcracker's tools: There are different versions of willcracker's tools (aka the BoardDiag tool).There are 3 useful posts on how to get into the Qualcomm mode and how to unbrick the device: i) the reddit post ii) the open-freax post iii) the xda post.Since I had nothing to use I decided to try the "Qualcomm unbrick" method - did everything preceding SOLUTION FOR ALL THE PROBLEM WITH NO DOWNLOAD MODE section.įixing the phone with the fastboot did not work for me.Trying to get the phone out of the fastboot mode, I tried the following guides: After failing miserably the phone was stuck in fastboot mode. When that phone was given to me, the person owning it before had tried to flash some custom rom. I will provide an answer covering all the steps that I had to go through in order to get that LG G3 working again. What could be the reason for fastboot failing that way? Could it be that there is no partition on the phone at all? Or does the bootloader need to be unlocked for this to work in the first place? Maybe the driver is not correct, but on the other hand I see the commands showing up on the screen of the device - so it receives them. However none of the commands executes successfully, I always receive:įAILED (remote: failed to erase partition) I installed the the fastboot tool using the "minimal fastboot and adb tool": Īnd tried executing many fastboot commands as follows: fastboot erase aboot The only available mode at the moment is the fastboot mode. I have an LG G3 which does not have recovery mode or download mode. ![]()
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