iPhone Generation : 1st Gen (Digi EDGE)
Current Firmware : 1.1.3
iTunes Version : 7
Computer Platform : Window XP home
Jailbroken Unit :
Problem Encountered : Phone cant boot, hang on the blank screen with apple logo, itune cant detect.
Steps Had Taken (list down) : Install 1.1.3 tweaks from INSTALLER
Problem Screenshot (if any) :
Other Info / Remark : PLug in to comp no detect, screen will flash after like 10min and back to blank again, believe is a software bugs, HOLD on/off button + Home button to force shut down da phone. oh dear

what step is hould take for this prob?

Thx to david, prob is solved. currently im restoring my i phone and update to latest FW. David, thx for the guidance to other thread, u r my saviour! million andmillion thx!