A mi me da este error en todos los instaladores.
*** Copying files ***
[100%] /sdcard/boot.img.gz
adb: error: failed to copy 'system.img.gz' to '/sdcard/system.img.gz': no response: Connection reset by peer
adb: error: connect failed: no devices/emulators found
adb: error: connect failed: no devices/emulators found
adb: error: connect failed: no devices/emulators found
*** Rebooting to Fastboot ***
error: no devices/emulators found
*** Flashing Amazfit Recovery ***
< waiting for any device >