A300FU 6.0.1 unlock done but loked

Anyone know solution this problem?
downgrade not working
log:
Platform: Samsung Android
Selected port: COM3
Selected model: SM-A300FU
Detected phone model: SM-A300FU
Firmware compiled date: Fri Aug 12 16:03:54 KST 2016
PDA version: A300FUXXU1CPH3
CSC version: A300FUOXX1CPI1
SW version: A300FUXXU1CPH3
Phone SN: R58G11DYRWT
Android version: 6.0.1 (MMB29M)
Sales code: BGL
Country: Bulgaria
HW platform: msm8916
HW Chip: MSM8916
HW Modem: MSM8916
Security patch level: 2016-08-01
Codename: a3ultexx
Checking Root:
Phone is Rooted.
Unlocking phone...
Phone is successfully unlocked
To finish the operation, please restart the phone via phone's menu.
Performed by 2.4.5 Software version.