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. 

1 -root your phone with odin download rooting file and instruction from here 

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 

4-click here for video instraction

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