About 2 weeks ago, i'm trying to install custom OS (cyanogen 11=kitkat) to my beloved phone.. i got eror when try to install (status 7) but im installing the right version of cyanogen for my phone. so i decide to reboot my phone, then bluffff all gone. i stuck at "samsung galaxy sII" sign. i take out the battery and try to enter recovery mode (cwm) but same!!! stuck at the black logo screen. then i try to flash stock ROM using download mode, but odin doesn't detecting my device
what should i do???
REALLY NEED HELPPP