Samsung A310f binary 4 unlock ???

How to unlock this phone?...Can't find root for it,it is the latest u4 protection

Operation: Read Codes DIAG
Selected model: SM-A310F
Software version: 32.7

Checking hash file... OK
Searching Samsung modem... detected COM250
Reading phone info...
Model: SM-A310F
AP version: A310FXXU4CRB1
CSC version: A310FVFG4CRB1
CP version: A310FXXU4CRB3
Product code: CNX
Phone SN: R58H416Y48X
IMEI: 357334070352689
Unique number: C00005DA7E6A223
Searching Samsung diag port... detected COM249
Reading phone info... OK
CP version: A310FXXU4CRB3
CP build: Feb 8 2018 16:14:02
Reading data from phone... error (1)

Done with Samsung Tool PRO v.32.7