If you already have a service with Telstra, you can buy outright without adding a plan.
Model Nokia X30 5G
Display 6.43 inches
Storage 128
Cameras Main: 50MP + 13MP Ultra-wide (123 degrees) with Corning Gorilla Glass DX+ cover. Front: 16MP
Battery 4200 mAh
Operating System Android 12
Network Support 4GX Yes
Network Support 5G Yes
Telstra Blue Tick No
Performance
Chipset Qualcomm Snapdragon 695 5G. Octacore 2x2.2 GHz + 6z1.8 GHz.
Design
Width 73.9 mm
Height 158.9 mm
Thickness 7.99 mm
Colours Blue
Display
Screen Size 6.43 inches
Touch Screen Yes
Touch Screen Type AMOLED FHD+ 90Hz Display
Storage
Internal Memory 128 GB
Battery
Capacity 4200 mAh
Talktime Up to 30 hours
Stand-By Time Up to 700 hours
Connectivity
Wi-Fi Yes
Bluetooth Yes
NFC Yes
FYI 128gb has 6gb RAM.
There is a pricier 256gb version which has 8GB RAM