Sony Ericsson just released the second version of the XPERIA X1 White Paper containing more information not found previously. We have tried our best to look for the changes and here are the more important ones. The white paper defines the X1a and X1i models. Also, check out the internal memory specs and the impressive standby and talk times:

• Quad-band EDGE: 850/900/1800/1900 MHz
• Tri-band HSPA:
• X1a: (850/1900/2100 MHz)
• X1i: (900/1900/2100 MHz)
• X1a model supports MPEG4, H.263 24fps encoding at QVGA only and not H.264
• Size: 110.5 x 52.6 x 17 mm (formerly 110 x 53 x 16.7 mm)
• Weight: 158g
• Memory:
• NAND Flash 512MB
• SDRAM 256MB
• Stanby Time:
• 580 hours on GSM
• 833 hours on UMTS
• Talk Time:
• 10 hours on GSM
• 6.5 hours on UMTS
• Video Call Talk Time: 3.1 hours
• Camera scene modes: Auto, Portrait, Landscape, Twilight, Sports, Document
• DRM: OMA DRM 1.0 and WMDRM 10

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