Nevertheless, problems/bugs are as follows:
1. Bluetooth detectable but no working scan nor successful pairing.
2. Camcorder crashes upon mode changing/simply doesn't work.
3. Long pressing hardware home button doesn't give background management
Back to the title. Please check your update_script and look for the 49* lines with a text editor (I suggest Jota+), delete the doubled parentheses, repack, flash and enjoy!