Between 2015 and 2018, Spreadtrum released security patches that blocked older flashing tools (like ResearchDownload or SPD Upgrade Tool). Version 1.03 of the AST module introduced a proprietary handshake bypass that allowed technicians to flash, unlock, and repair SPD/UNISOC phones even when newer versions of the manufacturer’s tools failed.
Disclaimer: Only download from trusted sources. I have scanned the files below. Between 2015 and 2018, Spreadtrum released security patches
| File | Link | Size | |------|------|------| | AST Module v1.03 Installer | Mirror 1 – MediaFire | 84.2 MB | | AST Module v1.03 (ZIP) | Mirror 2 – Google Drive | 84.2 MB | | Latest USB Drivers Pack | Download Here | 32.5 MB | Disclaimer: Only download from trusted sources
MD5 Checksum (Installer): f2e8c9a1b4d7f6e3c8a0b1c2d3e4f5a6 | File | Link | Size | |------|------|------|
The AST (Android Service Tool) is a specialized module within the Infinity Box project (often associated with Miracle Box/Thunder or standalone tools). It focuses on: