It was a surprise that Circles.Life Flex $0 plan SIM actually can connect to M1’s 5G network.
We did the random test at Jurong East Interchange and found that it did manage to connect to the 5G NSA network. We did not manage to run a lot of tests ran out of data (out of 1 GB). The screen shot below proves that it works.
So, where can we find 5G NSA signal. Read this article