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Vivo Y15/Y15C/Y15S/Y01/Y02/Y02S Security Downgrade DUMP Files

Vivo Firmware & Flash Files MobiFirms Oct 23, 2025 128 DLs
Free Download
File Size 20MB
Region Global
Status Active
Rating 0.0
Struggling with a dead Vivo device after a security update? Our Vivo Y-series Security Downgrade DUMP Files are specifically designed for UFI Box users who need to restore bricked phones and bypass authentication issues. This collection includes tested DUMP files for all popular Vivo Y models: Y15, Y15C, Y15S, Y01, Y02, and Y02S.

What Are Security Downgrade DUMP Files?

Security DUMP files are low-level firmware extracts that contain critical partition data, including preloader, bootloader, and security configurations. These files allow technicians to downgrade security patches that often cause dead boot problems on Vivo devices. By using these DUMP files with the UFI Box, you can bypass authentication locks and restore devices that won't respond to standard flashing methods.

Key Features

  • ✅ Complete DUMP File Collection for all Vivo Y15/Y01/Y02 series models
  • ✅ UFI Box Optimized - Ready to flash with authentication bypass
  • ✅ Fix Dead Boot Issues - Restore completely unresponsive devices
  • ✅ Security Patch Downgrade - Roll back problematic updates
  • ✅ Tested on Real Devices - 100% working guarantee
  • ✅ MediaTek Chipset Support - MT6762, MT6765, Helio P22/P35

Problems This Solves

  • Dead boot after OTA update
  • Vivo device won't power on or charge
  • Stuck on Vivo logo continuously
  • Authentication verification failed errors
  • Security patch incompatibility
  • Bootloop after failed flashing attempt

Compatible Models & Tools

Our DUMP files work with:
  • Vivo Y01 downgrade UFI, EasyJTAG Plus, F64
  • Vivo Y02 downgrade UFI, EasyJTAG Plus, F64
  • Vivo Y02S downgrade UFI, EasyJTAG Plus, F64
  • Vivo Y15C downgrade UFI, EasyJTAG Plus, F64
  • Vivo Y15S downgrade UFI, EasyJTAG Plus, F64

Flashing Tools: UFI Box, UMT Pro, Easy JTAG, Miracle Box

Who Needs These Files?

  • Professional mobile repair technicians
  • Service center operators
  • Bulk device repair businesses
  • Advanced users with UFI Box access

These security downgrade DUMP files are the professional solution for Vivo dead repair scenarios where standard firmware files fail. Each file includes checksum verification and complete documentation for successful flashing.
Download now and restore your Vivo devices with confidence!
Version Region Size Date Added Action
v1.0
Global 20MB Feb 15, 2026 Download
Preview