Hacked Gadgets Forum

May 1, 2010

How to get Messages off a Cell Phone without the PIN

at 9:54 pm. Filed under Computer Hacks, Electronic Hacks


We often keep important data or personal information on devices that we feel is secure. Well think again. Even though these phones that Will O’Brien picked up had their personal messages locked by PIN simple plugging in a serial cable allowed the messages to be pulled right out.

“Hooking up the serial port is just a matter of connecting a 3/32″ audio connector up to a TTL USB serial cable. I was pretty amused by the two hundred SMS messages that were left inside the phones memory. I used a fake – phone number in these samples. Here’s an interesting bit: the phone actually had a pin on the messaging screen! Even without the pin I was able to pull the text messages off the phone.”


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4 Responses to “How to get Messages off a Cell Phone without the PIN”

  1. Macka Says:

    My guess is that this “security flaw” is deliberate, so as to aid law enforcement.

  2. Pingu Says:

    I think there’s a bit of confusion here – the SIM card can be PIN locked – it’s your network access, and contains a tiny bit of extra storage for numbers. Phones often also have the option of security (eg on Android phones it’s a finger swipe pattern, but could also be a PIN). The most common setup is for a SIM PIN, in which case the data on the phone (ie most of it) is up for grabs, but I believe the SIM data is encrypted and well protected.

  3. Jarvis Says:

    This is pretty tech, I doubt it would work with a blackberry though. They are very secure!

  4. Sony Virdi Says:

    I want to get messages from cell phone that is pin locked. need to transfer it to my laptop.Please help

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