Flash devices in order to ADB fastboot commands is the focused task of this tool. Maybe if that two people get or make one of those cable then they can avoid to get the " on property:ro.boot.laf=QCOM" lines run.LG Flash Tool help you to perform a factory reset, install the KDZ or TOT stock firmware on an OEM-branded LG smart device. There are 3 more "modes" for 56k, 130k, 910k cables all of these three are identical with " on property:ro.boot.laf=USER" settings. I think "user" cable means the normal usb cable. In the comments you can see both of this mode triggered by "user" cable. So, for some reasone for those two guys the laf runs the " on property:ro.boot.laf=QCOM" lines and not the " on property:ro.boot.laf=USER" lines. Write /sys/class/android_usb/android0/functions mtp,laf Write /sys/class/android_usb/android0/idProduct 903A Write /sys/class/android_usb/android0/idVendor 05C6 # it can run as factory cable(130K USB cable) # it can run as factory cable(56K USB cable) # it can run as factory cable(910K USB cable) Write /sys/class/android_usb/android0/functions acm,laf,ecm Write /sys/class/android_usb/android0/bDeviceProtocol 1 Write /sys/class/android_usb/android0/bDeviceSubClass 2 Write /sys/class/android_usb/android0/bDeviceClass 239 Write /sys/class/android_usb/android0/idProduct 6246 # it can run as user cable for PID of verizon Write /sys/class/android_usb/android0/enable 1 Write /sys/class/android_usb/android0/functions acm,laf Write /sys/class/android_usb/android0/f_diag/clients diag Write /sys/class/android_usb/android0/f_acm/acm_transports tty Write /sys/class/android_usb/android0/bDeviceProtocol 0 Write /sys/class/android_usb/android0/bDeviceSubClass 0 Write /sys/class/android_usb/android0/bDeviceClass 2 Write /sys/class/android_usb/android0/idProduct 6000 Write /sys/class/android_usb/android0/idVendor 1004 Write /sys/class/android_usb/android0/enable 0 Wait /sys/class/android_usb/android0/enable Preparation (you have to do it only for the first time) Just place the version.txt to /sdcard and flash the zip to restore. After the backup just copy the txt to your PC. I made a flashable zip ( mirror) which bacups the device factory version to /sdcard/version.txt. To get your original device factory version then just open the log file in the LOG folder which is created at the location of the DLL and TOT file and search for "device factory version" text. You can change it back to the original one if it bothers you. This info stored on the misc partition at the 0x00008800 offset. If your phone had KFS78N version of android initially and you flash a KRT16M firmware, then the device factory version is going to change from KFS78N to KRT16M. What are the disadvantages of using LG Flashtool? It locks bootloader and resets tamper flag. You don't need unlocked bootloader to flash. The flashing process is faster than the fastboot flashing process.What are the advantages of using LG Flashtool? LG Flashtool is used by LG to flash firmwares to phones.I tried the whole method a few times and no problems so far, but random things could happen. Only you are the responsible if you brick your device.
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