I signed up to Giga ($0.90+$1.00 eSIM cost) then ported to Hi 5G postpaid ($13/mth) while in Italy a few days ago. Total disaster... Giga worked great but Hi 5G postpaid cannot even register to any of the operators (Windtre, Vodafone, iTIM, etc). Tried reinstalling multiple times on 4 different android devices still can't even get a welcome sms. Spent 2 days troubleshooting with Hi CS; they even issued a new eSIM foc but still same problem. Don't know if it's my bad luck or Singtel having some problems with Italy partner telcos (some of the telcos even listed as "forbidden" in the manual carrier selections). Wondering if anyone having same issues before. Luckily I have Zym and Eight working great during this trip.