How to flash PSP 1000, 2000, 3000, custom firmware 6.61 PRO-C2 (flash pack) reupload dabing

How to flash PSP 1000, 2000, 3000, custom firmware 6.61 PRO-C2 reupload redabing
► patwist.com/files/psp-flash-pa...
Ako flashnúť PSP
How to play .iso on PSP
► patwist.com
0:00 - Install original firmware update
1:00 - Install custom firmware
1:40 - Permanent install custom firmware (only for types 1000 and 2000)
2:10 - How to add games
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redabing LG G6

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The system configuration of this PSP system does not appear to be correct. The update cannot be started. Contact technical suppot ror assistance. ??????