OCZ Toolbox Firmware Updater 4.1.0.2833 / Vertex 4 and Agility 4 SSD Firmware 1.5 / 1.5.2

OCZ Toolbox v4.1.0.2833:

- Add support for Barefoot 2 based drives
- Improve update speed
- GUI Enhancements
- Add support for multi-step updates
- Enhance Everest2 update process

OCZ Firmware Vertex 4 SSD Series Version 1.5:

Enhancements:

- Improved sequential file transfer performance for 128GB, 256GB and 512GB models 
- Optimized idle garbage collection algorithms to extend the benefits of performance mode by enabling the feature across a greater percentage of the drive 
- Improved HBA / RAID card compatibility 
- Further improved compatibility with desktop and mobile ATA security features 

Fixes:

- Corrected a corner case issue where the ‘Remaining Life’ SMART attribute could be reported incorrectly

Note:

- After updating to v1.5, you cannot revert back to v1.4.1.3

OCZ Firmware Agility 4 SSD Series Version 1.5.2:

Enhancements:

- Enhanced Data Integrity Algorithm 
- Enhanced overall stability and compatibility with legacy chipsets

Note:

- After updating to v1.5.2, you cannot revert back to v1.5