Can my cricket s7 G930az be downgraded back to marshmallow from nougat?

[beckytigeress]

Can my cricket s7 G930az be downgraded back to marshmallow from nougat? I don't want to break my phone either. I will need steps on how to do this full proof if possible without damaging my device. Steps would be helpful so I won't softbrick or hardbrick... Firmware would also be useful to for cricket Marshmallow latest. I've never done this before.

 

[belodion]

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