You will need to request this interest rate change in NetBank Settings > Product Requests > Switch account options, select Netbank Saver account and then click Go.
Total Interest rate will be 4.25% (Standard Variable Rate 1.85% + 3 month special offer 2.4%).
Type Compare & Switch on the search bar in the app. Select compare and switch account. Enter your pin and it will direct you to the Comm bank website.
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