Seems like those who are trying to install bitesms 2.7 has so much of problems. Here's a proper revised instructions.

1) Download the deb file via this link: http://www.savefile.com/files/2003869
- your downloaded file will be bitesms_2.7.deb.html. Delete the "html" and your final file name is bitesms_2.7.deb
2) Download MobileTerminal from Cydia
3) Download DiskAid to your Desktophttp://www.digidna.net/diskaid/
4) Launch DiskAid and select root folder(bottom left of DiskAid application)
5) Use Copy to Device and upload the deb file to /var/root/
6) Use Mobile Terminal via iPhone to key in the codes. (Make sure there's a space between dpkg<space>-i)
a) Keyin:su root
b) Press Return
c) password:alpine
d) Press Return
e) type:dpkg -i /var/root/bitesms_2.7.deb
f) Press Return.
g) Installation will start.

Restart iPhone after intallation completed.

*install gUIcache from cydia if biteSMS icon does not appear on screen.