Restored to stock ROM, stuck at boot screen!

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http://forum.xda-developers.com – Hello, i have flashed through Odin the stock ROM, Odin says everything is allright but when the phone reboots it remains stuck on the Galaxy S2 splash screen. What can i do? I can go into download mode and have tried to flash 2 different firmware from Sammobile, they're specific for Europe, where i live and where i have bought the phone. Before coming back to stock i had CM10 JB. Help please. Thank you (HowTos)