This was a popular deal last month. It's probably still a good deal for a backup phone. It's locked to Telstra. It was known to work with Boost, too.
Product Features:
Ultra-fast 5G connectivity
NFC
Premium technology at affordable price point
50MP ultra-high resolution AI triple camera
Ultra-long 5000mAh battery life and 18W fast charging
Ultra-thin and light weight design
https://www.gsmarena.com/vivo_y55_5g-11324.php
4/128 and fhd and 3.5 and NFC for $150
i mean cant really beat it even for $200? $250?
granted you're fixed to boost???