moto x play stuck in bootloop need help in fastboot mode

my moto x play is stuck in boot loop m not able to downgrade it on 5.1 and cant upgrade to 6.0(because there is no 6.0 stock file on air still)
my question is is there any way to enable usb debugging and allow oem unlock via fast boot cmds.?
because if there is a way to unlock boot lodear to i can install twrp recovery.
please help me

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