Hello, user of CUPID XM12 here, when i try to install twrp-3.7.0_12-v6.6_A13-cupid-skkk.img i get this error:
C:\Program Files (x86)\Minimal ADB and Fastboot>fastboot flash recovery_ab recovery.img (I did change the name of file)
target didn't report max-download-size
sending 'recovery_ab'...