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After four hours of inspecting the fire alarm systems in the factory alongside the experts, it became evident that we needed to make substantial changes to both our understanding of the task profile and the wireframes presented to the stakeholders. Based on my observations in the factory, these were the most critical pain points:

• The experts had to frequently work with cumbersome tools more than initially anticipated.
• Despite careful planning, the on-site conditions often differ from expectations.
• The time required for each task can vary greatly depending on individual needs and preferences.

Solution → Less is more

To provide more space for the table on the small screen of an iPad Mini, the layout had to be re-prioritized. Additionally, the status of the fire detector needed to be made clearly distinguishable.

Solution → Look mom no hands!

The task often requires the use of both hands, making one-handed operation essential. Since hanging the tablet around the neck isn't an option, it must be secured to the arm.

The tablet was frequently worn incorrectly, causing the camera to be covered by the body. As a result, the onboarding process was revised.

As a quality-of-life improvement, we added resizable rows to the table and adjusted the layout to accommodate both right- and left-handed users.

Results & Learnings