[Tobias Engel] released a serious Nokia vulnerability today. By using a specially crafted SMS message ... other messages will be allowed until the phone is factory reset. You can see a demo ...

The following year, in 1993, Nokia became the first company to include SMS functionality in its GSM mobile phones, enabling consumers to send text messages directly from one handset to another.

He was researching how to send automated SMS text messages for a home ... commands via the headphone jack of Motorola phones. But unfortunately Nokia did not support this, as they use a protocol ...