IDU PSVita 3.65 to retail PSVita?

[Sam2017]

Hello. I have a IDU PS Vita PCH-1001 (with Demo Mode) with firmware 3.65 (I accidentally lost my chance to stay on 3.60 firmware ).
Is There is any software method to make my PS Vita usual non IDU device once and forever (that's all I need)? For example by somehow running idu-mode.vpk
Thanks in advance.

[hackinformer]

Nope its stuck on in that mode on FW3.65. No way to get out of it, other then holding the buttons down to but it in demo mode the vita is now a kiosk vita but one good thing is the package installer will still work and can put demo's in with no DRM.

Or you can use vhbl and put the rif in the license folder and put in demo and game that don't normally work but you need a psp for most of the rif files or a cfw PS3 to get them.

[Sam2017]

Thank you very much for clarification.
Replacing the motherboard is my way