Design a Useful Smartphone Accessory Kit

Mission

Build a compact kit for work, diagnostics, backup, authentication and media without duplicate or incompatible items.

Required work

1. Define four real use cases
2. Select one accessory per capability gap
3. Check connector, app and power requirements
4. Create a carry and maintenance plan

Evidence to produce

A prioritised kit with compatibility, use case, risk and storage notes for each item.

Quality checks

The result must name its sources, separate observation from assumption, preserve originals and explain limitations.