device state locked



2019-12-26 18:34

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hi.I bought 16xs two months ago.
To do the volte patch, I rooted
I completed the task and unrooted it using the Impactor unroot app.
As a result, it is impossible to boot
When I power on meizu 16xs, the fastboot screen comes up and there is no progress
I'm in recovery mode, but I can't do anything there
I have attached a screenshot, so please give me some advice
I've been doing nothing for a week

I wrote English using a translator because I'm not good at it.
HELP ME!!!!!!!!!!!