For Those Who Updating The System And Updating Stuck At 99% ... Here Is How To Fix It
USE YOUR OWN RISK... I AM NOT RESPONSIBLE FOR ANYTHING.
1_ turn off ur ps3 and unplug all the wires
2_ take Off the ps3 internal hard driver
3_ plug the ps3 hdd to a computer and hit:::Start ......computer:right click --manage (u will see ur hdd pumped up )
4_when its done allocate the hdd and formating it with ntfs then take it off
5_ put the internal ps3 hdd back to it's place
6-put the ps3 update in ( UPDATE-----PS3 ) folder on the root of flash drive and plug it to ps3
7_turn on ur ps3 and it will ask u 1st to formate the hdd then to press star +select for 5 sec do it and it will format the hdd it took me about 5 to 10 min
it will take a long time when it hit's 99 prcent don't panic just wait
8_when the formating is done ps3 will reboot and will ask to continue updating the firmware click yes to all and wait.
If You Do It Exactly As I said .. Your ps3 Will Work Again .
This tutorial Goes also for OFW and CFW .