The "Transsion After Sales Tool v151" refers to a specific, older version (v1.5.1) of the , also known as SWD After Sale . This version is a Windows-based utility designed to flash stock firmware onto Transsion devices, including those from its main brands. A common practice among advanced users and technicians is to use older tool versions for specific, older hardware, as newer software might introduce compatibility issues. The 'v151' you are looking for is almost certainly a community-shared version, as it is not part of the tool's official naming scheme, which uses dates for versioning (e.g., v5.2009.24.14 ).
Allows manual modification of configuration settings to stop pesky checksum verification loops from halting your progress. System Requirements and Prerequisites transsion after sales tool v151 download link
Here is a step-by-step guide on how to source version v151 and use it effectively. The "Transsion After Sales Tool v151" refers to