There are additional interesting features in the X712, the 'fingerprint authentication sensors', which allows users to lock the phone with 'password' fingerprints. Thus, the data certainly more secure mobile phones from the hands of ignorant.
One interesting thing again in the X712, namely the existence of two SIM card slots in body. Dual SIM Card on together, but not dual standby. So, calling the second number could not simultaneously. One must have a busy signal.
Philips X712 specifications
Marketed: July 2010; Network: Triband GSM; Dimensions: 10.58 x 5.15 x 1.67 cm Weight: 138 g Screen: AMOLED, 56K colors, 240 x 400 pixels, 2.8 inches, external display; Camera: 5 MP, 2592 x 1944 pixels, autofocus, LED flash, video (VGA @ 30fps); Internal Memory: 30 MB; External Memory: microSD (up to 8GB); Data transfer: GPRS 12, EDGE; Connectivity: Bluetooth v2 .0 (A2DP), miniUSB port v2.0; Messaging: SMS, MMS, Email, Browser: WAP 2.0/xHTML, HTML; Other Features: polyphonic (MP3), Stereo FM radio (RDS), Games, Java MIDP 2.0, Dual SIM (no dual standby), fingerprint authentication sensors, player MP3/WAV/AAC +, MP4/H.263 player, Organizer, Voice memo; Battery: Li-Ion 1050 mAh