Your device is corrupt. It can't be trusted and may not work properly

[balamita7]

my device is non stop restarting and it can't start and I have this massage "Your device is corrupt. It can't be trusted and may not work properly."
i can't power of until pressing power button with volume up button

i tried to make a software repair with xperia companion but its not working

please help me to fix this issue

note: my mobile model number is: F5122

[Lord_viridis]

Have you rooted or unlocked the bootloader recently?

Any ADB activity ?

[balamita7]

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@Viridis wrote:

Have you rooted or unlocked the bootloader recently?

Any ADB activity ?

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No never 

[Lord_viridis]

If the system repair using companion isn't working, I'd recommend contacting your Local support for a device evaluation and repair.

[balamita7]

I actually went to them, they tried reinstalling the software but without new, they advised me to buy a new phone!