SM-A525F device bootloder locked

Hello,
I accidentally copied the wrong files into the bootloader of my sm-a525f using Odin and then activated the bootloader lock. Currently it stuck at booting/download mode.
Is there still a chance to reset the device? Or will it never be usable again?

Hi @rekon, welcome to this forum.

text in blue are links to content we advise to you to read in a way to resolve your situation.

Samsung devices are nearly unbrickables.
on your photo : I see KG STATUS : PRENORMAL you need to install stockOS then unlock the bootloader again

Piero thank you.

But from where I get that stockOS? And I can Install it with the Odin tool?
And after that I can install OS/E/ ?

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Thank you but where can I download the so called Stock Vendor Firmware for a A525F device?

Follow the previously given link to the samfw server (samsung firmware) to download

Know your hardware - Samsung

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