[Cryptography] Bizarre behavior of a non-smart mobile phone

[Shawn K. Quinn]

On 05/10/2017 02:00 PM, mok-kong shen wrote:
> Being a layman in such issues, I should be very grateful for exact
> explanations of the phenomena.

Bad hardware (particularly the make call and end call/power off buttons)
comes to mind, though bad software is also possible. (I had a feature
phone that would power off and/or lock up at random, though it didn't
make random phone calls like yours did).

-- 
Shawn K. Quinn <skquinn at rushpost.com>
http://www.rantroulette.com
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