i747 after downgrade with octopus imei null
 

plz help me I flash with octopus
now imei null baseband unknown
how to repair it

Hello,
Yes, mr. siddhu_nokia is right. Please write the same firmware version, that was in the device before (this will repair phone's baseband), then root the device and perform "Repair IMEI" operation. Post here full Software log with all of these actions.

I need i747m 4.3 at&t fimeware urgent plz

We will try to find such firmware and upload it into the Support Area.