SM G530f emergency calls only fixed with crt write


SM G530f cert file write done

Samsung emergency call only show when certificate file is missed from phone.Or imei number or base-band version missed. 
2-open Samsung tool pro if you have /else you can download Samsung tool pro crack from here
3-download crt file from here crt 1               crt 2 

If any problem occurred during certificate write or firmware update  please re flash with original   firmware through smart switch