vivo v9 auto restart

try unlock the Device for : vivo 1723 [PD1730F_EX]using umt "disable lock" mobile is automatically restart...so how to clear this problem..


Software : PKQ1.190118.001 release-keys, compiler04012025 [Wed Apr 1 20:25:06 CST 2020]
Android Ver. : 9
Patch Level : 2020-03-01