D:\xiaomi.eu_multi_MI11Pro_MI11Ultra_V12.5.4.0.RKACNXM_v12-11-fastboot\platform-tools-windows>fastboot getvar current-slot current-slot: a Finished. Total time: 0.003s
D:\xiaomi.eu_multi_MI11Pro_MI11Ultra_V12.5.4.0.RKACNXM_v12-11-fastboot\platform-tools-windows>fastboot --version fastboot version 29.0.5-5949299 Installed as D:\xiaomi.eu_multi_MI11Pro_MI11Ultra_V12.5.4.0.RKACNXM_v12-11-fastboot\platform-tools-windows\fastboot.exe