Dude, no need to upgrade to official.
There is a thing call custom firmware, custom firmware is like a FW1.50 that emulates a newer firmware.
At the moment there is a 3.40OE-a, this has all the advantages of the newest current firmware but also has the advantages of 1.50 official.
http://dl.qj.net/3.40-OE-A-PSP/pg/12...3553/catid/163
This is the custom firmware, be sure to read the README over a few times before doing anything.
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