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Enhancing HTC Android User Manuals for Improved Experience and Revenue

As user manuals evolve, understanding their impact on technology adoption is crucial. In a study, 66% of users do not refer to manuals for new features, opting instead for online resources or friends. With a preference for pictorial instructions (81%), it's clear that clear and engaging manuals can bridge the usability gap for complex features like updating firmware. Prototyping efforts led to a significant increase in task success and user satisfaction. Investing in high-quality manuals is essential for maximizing user engagement and driving revenue.

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Enhancing HTC Android User Manuals for Improved Experience and Revenue

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  1. Improving Android’s HTC User Manual

  2. Why do we care? • New Operating System • Efficient informational sources are important for future phones • Poorly made user manuals are wasted money • Making it easy to be an expert can increase revenue

  3. Defining The User • 66% say they do not use the manual to learn new functions • 76% say they look online or ask a friend. • 14% say they are self learners • 66% say they do not know how to harness their phone’s full potential • 61% believe user manuals are important • 81% say they prefer pictorial instructions whenever possible • Literature shows that the wrong words can be problematic N = 21

  4. Task Analysis • Evaluated three tasks: • Displaying the phone’s phone number • Turning off the phone’s location • Updating the phones Firmware • Methods: • Observation

  5. Display phone number 2.0 Open Mobile Guide 1.0 Open Apps 5.0 Execute directions 4.0 Encode Directions 3.0 Find “display phone number” 4.1 Home > settings> about phone > phone identity 3.0A Use query 3.0B Read Manual 3.1B Device Basic 3.2B Display Number Mean Bedford = 3.8

  6. Turning off Location 2.0 Open Mobile Guide 1.0 Open Apps 5.0 Execute directions 4.0 Encode Directions 3.0 Find “Location Settings” 4.1 Home > settings> location > read disclaimer > tap off/on > tap back 3.0A Use query 3.0B Read Manual 3.2B Tap “location settings” 3.1B Tap “settings” Mean Bedford = 5

  7. Updating Firmware 2.0 Open Mobile Guide 1.0 Open Apps 5.0 Execute directions 4.0 Encode Directions 3.0 Find “firmware updates” 4.1 Home > menu > settings> system updates > firmware updates 3.0A Use query 3.0B Read Manual 3.1B Tap “Device Basics” Mean Bedford = 3

  8. Results • Mean SUS score = 61.5 • Grand mean of Bedford score = 3.9

  9. Requirements for Prototype • Shall have the same button layout as the HTC EVO by Sprint • Shall have the same navigation as the HTC EVO by Sprint • Shall use the same directions for executing the tasks as the HTC EVO by Sprint • Should have a consistent color scheme as the HTC EVO by Sprint

  10. Prototype

  11. Results • Average SUS Score = 90 • Grand average of Bedford Score = 2.1

  12. Discussion • The prototype yielded an increased SUS score of 28.5 points • The prototype yielded a lower Bedford score of 1.8 points • The prototype reduced 53 errors

  13. Limitations • Usability testing did not take place on an Android phone • This may have biased error rates.

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