touchscreen version 1.3.14 release date: 31/08/2018 what’s new for up mini2 es, up300, and x5: support printing tsk files directly from a usb drive. performance improvements and bug fixes. 发布日期：31/ 08 / 2018 最新功能 支持u盘打印。 更新材料设定。 修复问题。 how to upgrade your touchscreen program manually via a usb drive? we recommend you update your printer’s touchscreen program before your first print. please follow the following instruction to update your touch screen program with a usb drive: download the upgrade program before you switch on the printer, plug in the usb drive with saved update program to the usb port of your printer. switch on the printer. follow the instruction on the screen to finish the upgrade process. before you start printing, please check the up studio version is above 188.8.131.52. we suggestions you using chrome or firefox browser to download the latest upgrade program. for up mini 2 es, save the update_usb.tt upgrade program file to the root directory of a usb drive, and make sure the name and format is update_usb.tt (case sensitive). for up300, save the up300_x.x.x_update.tt upgrade program file to the root directory of a usb drive, and make sure the name and format is up300_x.x.x_update.tt (case sensitive), x.x.x being the version number.