1 x Colour TFT Dual USB Power Monitor YZXstudio ZY1273 QC 3.0 Auto Without Bluetooth
YZXStudio ZY127X Firmware ( Aug. 15th Updated)
Firmware Version 3.3-170815 Download Now
(including FW for ZY1270, ZY1271, ZY1273, ZY1275, ZY1276)
There are TWO FWs for ZY1270 and ZY1271. Please try both to find the most suitable.