Updating to PSP firmware 1.40 stuck at 99%?

Question

Its in the middle of updating and it stops at 99% and then goes back to 84%.

It has been doing this for about an hour now.

Is it ok to turn it off or do I wait it out or what do I do?

Answer 1

I dont believe there is such thing as 1.40 there is 1.0 and 1.5 but i've never heard of 1.40!!! maybe there is custom firmware but ya. i use 4.01 M33