The following CSCs have received DTG5, which appears to have corrected the problem introduced with DTF4.
BNG : DTG5 (N950FXXSDDTG5/N950FOXMDDTG5/N950FXXSDDTG5)
INS : DTG5 (N950FXXSDDTG5/N950FOXMDDTG5/N950FXXSDDTG5)
NPL : DTG5 (N950FXXSDDTG5/N950FOXMDDTG5/N950FXXSDDTG5)
SLK : DTG5 (N950FXXSDDTG5/N950FOXMDDTG5/N950FXXSDDTG5)
BNG : DTG5 (N950FXXSDDTG5/N950FOXMDDTG5/N950FXXSDDTG5)
INS : DTG5 (N950FXXSDDTG5/N950FOXMDDTG5/N950FXXSDDTG5)
NPL : DTG5 (N950FXXSDDTG5/N950FOXMDDTG5/N950FXXSDDTG5)
SLK : DTG5 (N950FXXSDDTG5/N950FOXMDDTG5/N950FXXSDDTG5)