Rooting LG Optimus Black Gingerbread v20b

Preparation

  • Install LG Driver
  • Download and extract [PATCHED]LGP970AT-00-V20b-SEA-XXX-JAN-02-2012+0_AP.7z
  • Download and extract SmartFlashTool_External.rar
  • Download SuperUser.zip

Root LG Optimus Black v20b

    1. Copy Superuser.zip to SDcard, do not extract and put in SDcard root
    2. Turn off LG Optimus Black
    3. Press and Hold Volume[+] Button and connect the device to PC/Laptop
    4. LG Optimus black will boot in S/W upgrade mode
    5. Run B_SmartFlashTool_Extern.exe 
      • Select ROM copy D/L bookmark
      • Select CP: [PATCHED]V20B.bin
      • Select AP: V20B.fls
    6. Click start
    7. Wait until the process is done
    8. Optimus black will reboot and boot in recovery mode
    9. Wipe data/factory reset
    10. flash using Superuser.zip
    11. Reboot

Do With Your Own Risk

Download Support Files

update patch read here

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