Factory unlock not work

———————————————————————–
Selected interface: UART
Note: Type *#0*# on the phone and connect UART cable.
Searching for device. Please wait…
Found device on COM11
Reading info…
Device model: SM-A510F
Device IMEI: 35691107188543
MSL address: RF8H50WHT1
FRP/Reactivation: UNLOCK
———————————————————————–
Selected interface: UART
Note: Type *#0*# on the phone and connect UART cable.
Searching for device. Please wait…
Found device on COM11
Reading info…
Device model: SM-A510F
Device IMEI: 35691107188543
MSL address: RF8H50WHT1
FRP/Reactivation: UNLOCK
Connecting to server..OK
Username: coolgsmse01
Authorization..OK
Checking smart card…
Smart card successfully checked.
Checking ballance..OK
Your balance: 0 credits.
Sending device information..OK
Checking operation…OK
Requesting MSL code…OK
Deactivating MSL…OK
Unlocking phone…
Phone is successfully unlocked
Please type ‘00000000’ (8 zeros) on the phone if needed.

8 ZERO NOT WORKING

NEED HELP