No command loop

[Emlly]

My phones stuck in a no command loop i can access recovery and bootloader mode this happened while following a guide to root my device after applying an update from my sd card(june 2018 ota) this happened no matter what i do i cannot seem to get fastboot to detect my device so i can unlock the bootloader (adb detects it when in apply update from adb) can anyone help with this?

 

[Emlly]

Update

Update: it is now stuck on the powered by andriod screen. after running out of battery i think