i have rooted my s3 i747 in india...my device status is custom but the root is not working.....and i also have installed d2att_I747UCUEMJB_modem.zip and UCUEMJB_to_UCUFNE4_Firmware_update.zip .....and now i have unexpectedly removed my 4.3 stock rom and my phone has no os....and i cannot flash...