esys BT-740 firmware FR-UK-NB Version Download 3 File Size 216 Ko File Count 1 Create Date 26 May 2021 Last Updated 20 October 2021 Download Description Articles that may interest you International battery charger esysMini USB - USB cableesysuiteesys 64 / esys 80 Post navigationPrevious post: esys BT-740 firmware FR-UK-LTNext post: esys BT-740 firmware FR-UK-NL