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By  Duy Nguyen

INSTRUCTIONS:

  • Download and extract this file ( VIVO_BBK5.1.11_Version.7z – backup link ). Inside the driver, manual video tool and ATF Tool 5.1.1
  • Watch video to know how to use tool, account and password to log tool (remember to turn off antivirus software when running tool)
    • User: shuajibang520
    • Pass: shuajibang666

ROM DOWNLOAD:

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