help GT-I9300 IMEI&SN lost it topic

I bought GT-I9300 from Hongkong,it is Europe version.I upgraded to 4.3,but IMEI and serial number change it .IMEI:0049****,SN:000000,not backup EFS files.How to fix the problem?
I heart IMEI Editor can fix it ,but i can't recovery it ,upload files to reference.Thanks!!!:

Attached Files

IMEI_Editor.rar - [Click for QR Code] (681.1 KB)