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There are a lot of different keypad commands in Android. What are the known ones? Some of them are listed here : *#*#checkin#*#*: Phones home to check for updates. *#*#info#*#*: Enters a detailed phone information menu. *#*#1472365#*#*: Access to the GPS config menu (useful for patching Galaxy S GPS failure)
Nov 17, 2020 · iPhone keypad I am unable to answer telephone calls from apple support. keypad does not work if asked to input a number. The input is not recognized by the apple caller/computer, so apple support call back is canceled.
On the kbd it's because it's the most frequently used digit (in "real-life" numbers but not in phone numbers), and on the phone - so as to not break apart the row of *0# - which would be bad for all kinds of reasons.
- There's this humongous article called Keyboard Trivia that has collected many of the theories and stories. The summary of facts: Touch-tone key pa...
- One additional possible explanation is that with the calculator layout many calculations can be performed along the bottom two rows and the plus bu...
- I have a reasonable explanation. Since I come from mathematics background, this is the first thing that comes to mind. Calculators. You probably...
- In the early sixties I took a year out of university and got a job in the internal audit department at the head office of a large insurance company...
- The phone design of 123 Top, and 789 Bottom was merely based on the research done by the Bell's labs: "This was due to research conducted by Bell...
Oct 6, 2015 · Of note here is also that the now standard 3×3+1 phone keypad layout resulted in a whopping 55% of those tested filling it out exactly as the phone keypad is laid out today while only 8% of the subjects filled out that pattern in the way calculators and non-phone keypads are traditionally laid out. It was not, however, this particular study ...
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Dec 31, 2018 · Most of us are so used to accepting the common interfaces that we tend to overlook the calculator’s inverted key sequence. A calculator has the 7–8–9 buttons at the top whereas a phone uses ...
- Francesco Bertelli
Feb 27, 2024 · Each number on the keypad has 3 or 4 letters on it. The letters are arranged alphabetically, A through Z. The number 1 key contains the punctuation for comma, period, question mark, and exclamation mark. The number 2 has “ABC,” the number 3 has “DEF,” and so on.
Jan 6, 2021 · Some users have reported a problem where they are unable to use their iPhones keypad (also called dial pad) to punch in numbers while they are on a phone call. This can be a serious problem when trying to make a call that requires entering information and selecting menu options.
