USSD Code still not running after upgrade to 5.1.1

[arun3]

                  ussd code not working after upgrade 5.1.1 why ??????????????

[Qatrium]

This has been discussed on the same board and answered by an official Sony representative. Kindly search the forums before you post new threads:

/t5/Xperia-Z3/Can-t-run-USSD-after-5-1-1/m-p/1035470#M23481