Zte z981 unlock failed pls help

Using Version...1.0.0.0066
Selected Model GT-I5801
Selected Task SAMSUNG T-MOBILE UNLOCK

Searching ADB device Please wait..
Device Detected...
SELinux := Enforcing
model:= Z981
Android Version:= 6.0.1
Description Version:= P895T20_MPCS-user 6.0.1 MMB29M 20170802.130758 release-keys
Platform:= msm8952 [ qcom ] [ ]
Baseband:= -8952_GEN_PACK-1.89347.1.93758.3
Security Patch := 01-08-2017
ABI:= arm64-v8a SDK Ver:= 23
Network Mode := LTE
Simstatus:= NETWORK_LOCKED
BusyBox version := 1.18.4
ANDROID-ID = 14abd63d_0000DEE787
SU Version..16.0:MAGISKSU (
Device is Secure Rooted..uid=0
SAMSUNG ALL TMB UNLOCKING STARTED...
SU Version..16.0:MAGISKSU (
Device is Secure Rooted..uid=0
Reading Please Wait..
Please Wait while...
Please wait starting task...
Device Sn := 14abd63d
Device Imei := 865994031618026
Factory Ver := MPCS_P895T20V1.0.0B28
Server Reply Error := ERR_BAD_IMEI OR SERVER DOWN TRY Again after few minutes..

Fail to check server...HYpbDsAwCMOu1JDRx2cH7f2PtDBFwpIx07Y2uLkYI uhMwieHbZ/2sopTVy5kL7t8yFa1cLEAyImnBbKpxBGv6PVr+fvXu/cxa09LuyfdnhgWSvcH
Send ASK Saved := 14abd63d.ask

!!! Success !!!!

Restart Phone Manually if not done auto...
Total Time Take...00:00:24


I have tried several times no success....