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CHAPTER 2
Diagnostic Utilities
Introduction
The Longines TAB has a flash tool designed to software upgrading and a writing tool designed to
write SN/IMEI/BT/Wifi/Country Code,etc.
Longines’s Flash Tool SOP
This document will give the sop of Longines’s Flash Tool. It includes two parts-the open of flash tool and
the download of a version.
1. Open flash tool
After decompress the flash tool archive, the flash_tool.exe shows in Figure1 is the tool that we need.
Figure 1 The location of flash_tool.exe
Double check the flash_tool.exe, Figure 2 will show up, and after the “ok” button is clicked, we will
enter the download interface (Figure 3). The download of Fossil HD’s versions will be operated in this
interface. By now, we can start to use the flash tool.