SIMBA is the 4th operator in Singapore. They do have 5G trial going on in a limited way at the following locations :

Building 5G NR coverage zones Not in coverage
Great World City General Retail Areas
Paya Lebar Quarter (PLQ Mall) General Retail Areas
Marina Bay Sands – The Shoppes B2, B1 and L1 Retail areas adjacent to Singapore River/Waterfront Promenade B2 & B1 retail areas at the 2 corridors towards Bayfront MRT and MBS Hotel, and retail shops near B2M Casino/Hotel
VivoCity L1 & L2 (Central atrium/retail & F&B), L3 Foodcourt, B2 F&B L1 (Tangs, NTUC, Unity, Mark & Spencer), L2 (Toys “R” Us, north corridor towards Harbourfront), L3 (Cinema)
Dormer Park Outdoor Coverage in Selected Areas
Palm Spring Outdoor Coverage in Selected Areas
Tanglin Club Outdoor Coverage in Selected Areas
The Legend Outdoor Coverage in Selected Areas

So, which smartphones will be able to tap onto the 5G network ?

 

Basically, a number of smartphones supporting 5G n40 band (NSA) will be able to login to the 5G network automatically. 

Listed at SIMBA website is a list of phones that will work out of the box

Vivo – Y72, Vivo X70 Pro (V2105)

Vivo Y76 5G (V2124)

Vivo V23 5G (V2130)

Huawei Mate 40 Pro 5G

We have tested some 5G smartphones and noticed that the following will also work at the locations listed above.

POCO M4 Pro 5G

Xiaomi 12 Pro 5G

Redmi Note 11 Pro 5G

Do comment below with brand and model of phone if it works on the 5G network.