The LG440G is a flipphone made by LG for Tracphone from 2012-present (2015). Tracphone is the only network provider selling the 440G and all 440G phones are locked to Tracphone.

Potential attack vectors

• MicroUSB port. There are no other ports, not even a headphone jack!
• Bluetooth
• Audio formats: MP3, AAC, AAC+, WMA
• Photos
• Video
• Web Browser (supports JavaScript)
• Email
• J2ME (is sideloading possible?)

Resources

• Windows USB Driver
• User Manual
• Security Evaluation of J2ME CLDC Embedded Java Platform M. Debbabi, M. Saleh, C. Talhi and S. Zhioua. Journal of Object Technology. 2006.
• J2ME Low Level Security D. Reynaud. 2005.
• J2ME In A Nutshell 2002.

Notes

• The "buy games" link loads data over HTTP. Could be possible to intercept and load custom J2ME software through that.
• Files can be uploaded via Bluetooth (useful for non-Windows systems)

Data about my phone

Hardware Version

1.0

Software Version

LG440G-V10f-MAY-22-2013-TRF-US

Java CLDC Version

1.1

Java MIDP Version

2.1