No, I hadn't any copy..

i had just found this forum because i had this problem and i had searched in google. ok. thanks then. I have some questions i had only found firmware to chip 2706 my chip is 2705 i have possibilities to put the firmware of 2706 in 2705? i hadn't found no firmware to 2705. To format the drive of firmware what is the right file system? thanks for all!