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S and PIN numbers

Discussion of forensic issues related to all types of mobile phones and underlying technologies (GSM, GPRS, UMTS/3G, HSDPA, LTE, Bluetooth etc.)
Subforums: Mobile Telephone Case Law
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armresl
Senior Member
 

S and PIN numbers

Post Posted: Aug 30, 18 01:46

Has anyone heard of Samsung phones which were set up without a PIN, at some point requiring someone to enter a PIN?

sounds crazy right?

A user who claims they never entered a PIN in the phone in the setup process (he has 0 reason to lie to his counsel) now has a screen lock requiring a PIN.

Too long since last used?
Forensic software trying to make an image and failing triggering some sort of PIN?
Turned on and tried to update the security patch and asked for a PIN?

Just seeing what you guys think about this weird situation.
_________________
Why order a taco when you can ask it politely?

Alan B. "A man can live a good life, be honorable, give to charity, but in the end, the number of people who come to his funeral is generally dependent on the weather. " 
 
  

trewmte
Senior Member
 

Re: S and PIN numbers

Post Posted: Aug 30, 18 08:23

- armresl
Has anyone heard of Samsung phones which were set up without a PIN, at some point requiring someone to enter a PIN?

sounds crazy right?

A user who claims they never entered a PIN in the phone in the setup process (he has 0 reason to lie to his counsel) now has a screen lock requiring a PIN.


A PIN that can be set up later on a device: Find my mobile or associated with a googleaccount for android devices. If it is prior to Android 5 then there was a backdoor to unlock. V5 onwards Smartlock was introduced. It is possible if device setup with home WiFi paired to device once in home WiFi area can unlock device. Again none of these need be set up from the start

Possible way forward is to identify model number, mobile network operator or service provider it was connect, and ddmmyy when phone purchased and account active. That way it might help initial investigation and check out Android version, specific operator profiling, and checking user manual and websites relevant to make/model.
_________________
Institute for Digital Forensics (IDF) - www.linkedin.com/groups/2436720
Mobile Telephone Examination Board (MTEB) - www.linkedin.com/groups/141739
Universal Network Investigations - www.linkedin.com/groups/13536130
Mobile Telephone Evidence & Forensics trewmte.blogspot.com 
 

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