pyps3checker error

I have a PS3 CECHLO1 and I've been stuck with 1 danger and 2 warnings. I tried two different USB drives, changed the HDD to SSD, downloaded 4.91 firmware from both Sony's official website and darthsterine's archieve, rebuild database, restore PS3 system, but it always returned with 1 danger and...

(I have a NAND system btw) So I did the regular thing. Found that there has been a new patch that allows me to jailbreak 4.84. Just like all websites suggest, I installed 4.84 HFW twice, went to **ps3xploit.com >Domain no Longer owned by team** (ps3xploit.me =new) in my ps3 while having flash_484.hex in my usb plugged in the ps3. Flashing was...