Z3x Samsung Tool Pro V44.15 -

Flashing large firmware files (over 8GB) now uses a rewritten USB stack, reducing flash time by up to 30% compared to V44.12. This is critical for shops handling dozens of devices daily.

Based on development roadmaps, the next version (V44.16 or V45.0) is rumored to introduce: Z3x Samsung Tool Pro V44.15

The mobile repair landscape is shifting. Samsung is aggressively implementing new security layers, including: Flashing large firmware files (over 8GB) now uses

Z3x developers have hinted that V45.0 (expected Q4 2025) will introduce: Z3x developers have hinted that V45

For now, V44.15 is the most stable, capable version available.

V44.15 [DD/MM/YYYY]
- Added: SM-A155F, SM-M346B, SM-T635 support
- Improved: FRP bypass for One UI 6.1
- Improved: Qualcomm EDL factory reset
- Fixed: Partition write error on Android 14 devices
- Fixed: CRC mismatch during "Write Firmware" for large files

The release of versions like V44.15 highlights the constant battle between third-party tool developers and Samsung.

For technicians, this meant that V44.15 might work perfectly on a phone running a specific firmware from early 2020, but fail immediately if the user updated the phone to a later security patch level.