Can not boot after downgrade.

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6

2017-11-18 05:45

Edited by User5204712296 at 2017-11-19 06:14

hi
i upgraded my phone to nougat and used few days after that i decided to go back mm. i put mm update.zip and upgrade with recovery (volume up + power). when i try to boot asking me passcode but doesnt accept my passcode and doesnt recognise my fingerprint. and few seconds after reboot itselfs. when i try to clear data still asks me passcode. my pc doesnt see my phone in recovery or fastboot mode.
what should i do?