User persona: PDA hiker
This is based on what I do or what I'm missing with my current phone, daily.
Short summary: the phone is a store of knowledge, and not used for communication. It spends most of its life offline. It's used predominantly outdoors. All use cases must not involve using the terminal on the phone.
Note: I'm not 100% sure which software is at what stage, so the [X] may be missing in some places.
Crucial use cases
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Daily alarm clock -
Taking quick, short notes -
Named calendar alarms, recurring or not - [?] Battery surviving a full day with light use
-
GNSS getting a cold fix outdoors in 15min -
Battery allows logging GNSS data for 8 hours in 20°C ambient - [?] Can be operated in winter gloves, even if uncomfortable or with tools
- [?] Operable while and can survive undamaged -15°C for the 5 min out of pocket
- [?] Operable and undamaged after staying in a sweaty pocket for 2h, apart from cleaning after several cycles
- [?] Same with a linty/dusty pocket
- [?] Operable and can survive undamaged two minutes in rain (with wiping)
- [?] Operable and can survive undamaged two minutes in snow (with wiping)
- [-] Shape doesn't interfere with exercise (running, cycling, climbing) while in pocket
-
Check own position using an offline map -
Check own surroundings using an offline map -
Alter any installed application -
Seamless copying of files over cable -
Seamless copying of files over WiFi -
Dictionary browser (like Stardict) -
Calculator
Nice use cases
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Can be used with one hand -
Can be used with one hand when not trying to type -
Dead battery doesn't cause problems that have to be solved by the terminal OS-issues#156 -
Looking up stars on the chart at night (like Orrery) -
Taking pictures of maps and information posts -
Taking 2mins long, potato quality videos of surroundings -
Showing photos and videos from the saved collection -
Querying for media in the collection -
Playing ad-hoc music playlists -
Plugging in headphones moves audio output there -
Recording voice notes - [?] Can drop from 0.5m without more than scratches
-
Planning routes for hikes/hike legs. I'm not sure if this even exists: it's usually done on paper or in the head, based on track types, terrain passability, (chance to see) interesting places, refuels, accommodation, and ease of orientation. More of a "please help me fill the gaps" than "how to get there". -
GNSS getting a cold fix indoors (window, city) in 1h -
GNSS getting a cold fix outdoors in 5min