Level 1 for not lastest Samsung, s20 and old movel 

Check You Device Support Or Not Here
https://zkeytool.com/suportdevice.html
China & Hongkong Not Supported JDM A01 A11 A02 A21 A03 A14 Not supported Kg locked or Active Or Mdm lost mode Not Supported (NO REFUND)
after unlock need connect wifi and active and press restart now button
❌SM-A107F/DS

❌SM-A025M/DS

❌SM-A207M/DS

❌SM-A145M/DS Y TODAS LAS SERIES A145

❌SM-A146M/DS

❌SM-A057M/DS

Notes : can't refund credits

JDM A01 A02 A03 A11 A14 A21 not support

Kg lock or active not support

NO REFUND FOR BAD REQUEST , USE IT IN YOUR RISK