Really need to d/grade from 3.11. is it possible

[danez]

Hi guys, my son has updated his firmware from 2.81 to 3.11, i was looking to downgrade the 2.81 to 1.5, i went to the shop and returned to a big grin telling me he had managed to upgrade. i now need to either d/grade to original or to 1.5.

Any help folks.
Thanks

 

[bro]

Hi guys, my son has updated his firmware from 2.81 to 3.11, i was looking to downgrade the 2.81 to 1.5, i went to the shop and returned to a big grin telling me he had managed to upgrade. i now need to either d/grade to original or to 1.5.

Any help folks.
Thanks

not at the moment mate...they are only downgrading psps upto 3.03.my advice is to sell it and see if u can get one from fleabay or cash converters