I would buy a gold card've done this because I have a HTC P4350 with this 300 error and I am not able to create a gold card here because I have a HTC P4350 running normally.
Could someone provide a gold card already ready just connect and use already ready for sale is not free.
PS: I'm in Brazil if anyone can help just contact me by e-mail
PS2: repository theoryx is no availability ? it is showing 401 error