Here are two straightforward video guides that show you how to turn your Bull Bitcoin app (paired with SeedSigner) into a proper multi-tier wallet setup — either as “Checking + Savings + Cold Storage” or as a classic “Hot + Warm + Cold” wallet:
Video 1: Adding your SeedSigner to the Bull Bitcoin app
https://www.youtube.com/watch?v=5BOLTvFIfOg
Video 2: Sending transactions with the Bull app + SeedSigner
https://www.youtube.com/watch?v=tqkibQv7DyI
These two short videos walk you through the complete process step-by-step.