Psp update (dadada error)

[Rz95i]

Hi guys,i got a psp 1000 from my friend and i want to modded it but when i want to upgrade to 6.61 that say that the app cant launch (dadada error ) I tried to upgrade to 5.00 but that do the same mine as 3.52 m33-4 can you please help me i dont know how to do

 

[RealYoti]

Update to 5.00 M33 or use other methods like Recovery Flasher.