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KaiOS
Raised as a usability problem by 17 people on Hacker News over 9 years (2018–2026), in 20 threads.
No issue was raised by at least 3 people in 3 threads this year.
No issue was raised by at least 3 people in 3 threads in the last 5 years.
- 1Keyboard makes dialing and texting hardUnreviewed
Every issue, all time, most people first
Keyboard makes dialing and texting hardUnreviewed
20182026- Lags with hundreds of messages and stops alerting for new messages and calls2024-10-03
- Texting is much slower than on a smartphone, and predictive text is weak2024-04-11
- Keyboard makes dialing and texting hard; texting app lags with many messages2022-10-12
Unreviewed issues were grouped by machine: Claude Haiku labelled each comment as a usability complaint, named what it's about and summed up the problem in a line, and a small model grouped similar problems. Nobody has checked them by hand. Expect mistakes.
The newest 22 complaints
- Having to teach people T9 texting is hard; the whole phone feels janky2026-06-04
- Must manually type capital I and apostrophe every time; T9 wordlist degrades with use2024-10-15
- UI is ugly, sluggish, and list layouts don't fit screen properly2024-10-15
- Lags with hundreds of messages and stops alerting for new messages and calls2024-10-03
- Texting is much slower than on a smartphone, and predictive text is weak2024-04-11
- SMS felt unintuitive and complex to operate; navigation through menus is cumbersome and sluggish2024-02-09
- Text entry is really horrible and the OS is unintuitive and inconsistent2024-02-09
- Google integrations work poorly, especially with MFA, so the calendar goes blank and never reminds2023-06-23
- Keyboard makes dialing and texting hard; texting app lags with many messages2022-10-12
- WebDAV syncing broke, forcing manual contact import and losing calendar sync2022-05-18
- Operating system is almost unusable for the person using it2021-08-17
- Contact search takes 20 seconds and typed letters show wrong characters2021-08-14
- Menus are slow and navigation is clumsy with a D-pad2021-04-09
- Every keypress takes 750ms to 2 seconds to show on screen2020-12-16
- Features stopped working after update, such as umlauts and email, and apps were force-installed2019-09-18
- Interface is so hard to use it might push the user back to an iPhone2019-09-18
- Can't tell whether d-pad navigation and emulated cursor are alternatives or serve different purposes2019-07-30
- After a software update it can't type umlauts, and there are many other bugs2019-06-11
- Every button press has a delay, and the interface is very confusing to use2019-04-19
- Maps is unusable and the texting app lags so words take a second to appear2019-03-19
- Phone is very slow and impossible to customize, such as setting a hotspot quick launch2019-01-09
- Main website takes over scrolling so it is hard to navigate2018-06-07