CAUTION! Both firmwares (Modem and BlueNRG) must be flashed into device. Failing so can lead to unexpected device behavior and rapid battery discharge.
TAT140 BlueNRG & Modem FIRMWARE UPDATE GUIDE
TATXYZ FIRMWARE UPDATE GUIDE
Download Firmware and Configurator from STABLE FIRMWARE or SHORT-TERM FIRMWARE pages.
After device connection to Configurator:
1) Select Update firmware;
2) Select to flash Firmware(*.e.XIM) file;
3) Click on file;
4) And select Open.
Wait until the device will upload the firmware.
When parameters successfully loaded:
1) Select Update firmware;
2) Select to flash BlueNRG firmware(*.bin);
3) Click on file;
4) And select Open.