I however had a glimmer of hope when I pressed the power button and the phone just flashed the LG logo and went dead. I downloaded the KDZ (firmware) for this model, extracted the contents of the kdz and tried flashing strategic partitions like preloader (after processing preloader.img in wwr), boot and laf (for entering Download Mode).
Here’s a video on using WWR MTK v2.51 which I recommend.Īrmed with a reliable firmware dump, I was ready to flash. The device did get detected and a WWR dump was successful. My first port of call was a firmware dump using WWR MTK …to avoid stories that touch the heart. Now, back to that MTK Bypass Universal exploit I earlier mentioned, I ran the python script to disable DA and Auth then fired up SP Flash tool.
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At this point, I went ahead to install a device filter using libusb. The device should show up as Mediatek USB Port under device manager.
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Its important to have first installed Mediatek drivers on the PC. The BypassīROM mode for the LG K51 can be achieved by powering off then holding the Google Assistant button (the button below the volume decrease button) and the Volume decrease button then connecting to PC via USB-C cable. Thankfully, there’s now a Mediatek DA & Auth bypass exploit that allows you flash such devices. PRELOADER and BOOTROM mode flashing did offer some hope through tools like SP Flash tool but this model has secure boot so a DA and maybe Auth file would be required for flashing. LGUP flashing was clearly not an option since it couldn’t enter download mode. When connected to PC, there were several connection-disconnection cycles (sounds). It showed a white LED light when connected to charger. This particular unit was dead no sign of life when you press the power button. There are variants like LM-K500MM, LM-K500QM, LM-K500QN, LM-K500UM etc. The LG K51 (LM-K500) is a Mediatek MT6762 (MT6765) powered device running on Android 10 (Q).