problem with signature verification failed - Samsung Galaxy Core

hello
I had an galaxy core i8262 with twrp and stock rom and I want to install another rom but first that I made was an backup with twrp and after these I want to install cwm for taking an image from the galaxy so I try to make these with the odin and then I got the massage on the odin that it fail an in the galaxy : SECURE: signature verification failed.
now I don't have rom and also recovery,
I try some other recovery's and I get the same massage with odin 1.85,3.07.3.10
what can you help me please?
thank you

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In download mode I recieve a message "SECURE : Signature verification failed" whenever I try to flash CWM Recovery.
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lesleyxxx15 said:
In download mode I recieve a message "SECURE : Signature verification failed" whenever I try to flash CWM Recovery.
Odin says the flashing succeeded but if I try to boot to recovery I get the stock recovery.
Click to expand...
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Greetings,
Thank you for using XDA Assist. Here is your device's homepage:
Samsung Galaxy Young S6310
Here is where you should ask your questions:
Galaxy Young S6310 Q&A, Help & Troubleshooting
Good luck!

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