DESCRIPTION

How to flash Twrp:BOOT INTO FASTBOOT MODE:With your phone off, connect your usbcable to your phone while holding VOLUME DOWN to boot into fastboot mode or just type [adb reboot bootloader] in the adb terminalONCE YOU ARE IN FASTBOOT MODE:Open a command prompt and type”fastboot flash recovery ” without the quotation marks.Example: fastboot flash recovery C:/Users/John/Desktop/recovery.img[don't forget to extract the downloaded recovery zip to get the recovery.img]WHEN THE FLASH COMPLETES:(Takes about 2 seconds)On your phone, unplug the usb cable and power it off by taking out the battery and putting it back in.BOOT INTO RECOVERY MODE FORTHE FIRST TIMEHOLD VOLUME DOWN + POWER until you see the LG logo and then temporarily release the POWER button, immediately pressing and holding it back down until you see the white prompt [factory reset] screen. You will NEVER release the volume down button in this process!Use the hard keys to select "YES" and then "YES" again to boot intoTWRPNotice:After the TWRP splash screen you will see the option to type in the password to decrypt the filesystem just ignore it and press the cancel button.

Original link – https://forum.xda-developers.com/android/development/recovery-twrp-v3-lg-stylo-3-plus-t3649621

※Please make a backup of your device before installing or updating ROM