Stuck in phone logo Boot up

[Android Central Question]

So heres what happened, First of all my phone is rooted, I used ROEHSOFT RAM Expander, so i followed the instructions there carefully, then I restarded my phone, then there it is, boot loop, Ive done everything that I can do by myself, clear cache partition, factory data resets, then rebooted it, but still stucked on logo screen. Pls help....