SM-J260Y where do i type the unlock code?

Good day

i got a Philippine Model of J2 Core SM-J260Y

After i read the code

Welcome to Octoplus Box Samsung software version 2.7.5

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Platform: Samsung Android
Selected port: COM3
Selected model: SM-J260Y
Operation: Read Codes - Server
Detected phone model: SM-J260Y
Firmware compiled date: Tue Dec 4 18:50:21 KST 2018
PDA version: J260YDXU1ARL1
CSC version: J260YOLO1ARL1
SW version: J260YDXU1ARJ4
Phone SN: R28K90RHKBE
Android version: 8.1.0 (M1AJB)
Sales code: SMA
Country: PHILIPPINES
HW platform: exynos5
HW Chip: exynos7570
HW Modem: SHANNON305
Security patch level: 2018-10-01
Warranty Void: 0
SIM 1 status: network locked
SIM 2 status: absent
Codename: j2coreltedx
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i want to know where i could put unlock code for this unit

Thank you

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