Shake your profile

Shake your profile

Some may have seen the adverts on television where the film director on set shouts "action" and then, suddenly his phone starts to ring. He flips the phone onto its screen-face and the phone stops ringing. Motion sensors since 2009 have becoming one of the features on smart phones and devices, and a new release from Micromax Mobile X395 is another example where motion sensors (once switched ON) are included as a feature of this dual-SIM phone, but in this case allows the user to switch between one of the SIMs installed in this dual-SIM handset.

Media GIF Photo Courtesy of Micromax Mobile X395 (c)

Examiners should be aware that this java (according to its spec) smart phone requires manual examination to determine other user-defined SIM settings and Motion Sensor settings, apart from SIM1/SIM2 profiles -

Menu>SIM Manager:
- Dual SIM Settings- Set the dual settings as per your requirement
- Default SIM Selection- Choose the default SIM slot to be used

Menu > Settings > Motion Sensor Settings:
- An incoming call can be put on silent mode by simply turning it upside down

Some previous discussions at my blog about dual-SIMs or devices that may provide some useful observations about examining dual-SIM devices:

- http://trewmte.blogspot.com/2008/11/cloning-test-sim-cards.html
- http://trewmte.blogspot.com/2008/08/dual-international-mobile-station.html
- http://trewmte.blogspot.com/2007/06/china-mobile-telephones.html
- http://trewmte.blogspot.com/2006/11/super-ghost-sim.html

Research on 'tilt' and 'three axis way' motion sensors:

- http://en.wikipedia.org/wiki/Tilt_sensor
- http://en.wikipedia.org/wiki/Accelerometer

Dual International Mobile station Equipment Identity (IMEI)

Dual International Mobile station Equipment Identity (IMEI)

When we think of mobile telephones we mostly think in terms of them of having a single International Mobile station Equipment Identity number. For two decades, whether for an analogue or digital mobile 'phone, we have often associated, to assist in showing importance of, and drawing anology about, that mobile 'phone serial numbers are alike to vehicle chassis numbers - in essence IMEIs are intended to be unique numbers.

.

Because of that unique numbering scheme, it follows that each mobile phone should only have one IMEI. That has changed and mobile 'phone manufacturers can include two IMEIs. The two IMEIs can be viewed via the label under the battery pack (see photo below Samsung SGH-D888), or by entering *#06# (asterisk, octothorp, 0, 6, octothorp).

.

.

Having reviewed the Standards and other documentation and found no definitive statement about the requirement for a dual IMEI numbering scheme, I put out some enquiries and I am grateful to those who assisted. I am told it would appear the occurrence of the dual IMEIs are due to there being two radio chipsets in some handsets. As I understand it, also, I won't find anything in the Standards about this matter - just yet. Moreover, it does not automatically follow that a handset having Dual SIM/USIM slots implies or infers that the handset has two radio chipsets, thus two IMEIs.

.

Evidentially, of course it is noted this matter impacts in numerous ways when conducting examination using automated physical and/or logical harvesting of data and the much-needed handset (manual) examination.