HTC Cingular 8125, upgrade win mobile 6.5??

[iccmirto]

Salve ragà,
volevo sapere se è possibile fare l'upgrade da win mobile 5.0 a win mobile 6.5 del HTC Cingular 8125?
Vi lascio le specifiche dello smartphone:
System Specifications

Here are some of the main features of the Cingular 8125.

Operating System Microsoft Windows Mobile™ 5.0 software for Pocket PC
Applications Microsoft® Office Outlook® Mobile, Word Mobile, Excel® Mobile, PowerPoint® Mobile, PDF viewer, Internet Explorer Mobile, MSN Messenger®, ClearVue, Windows Media® Player Mobile
Processor TI ARM OMAP 850, 195 MHz
Memory Built-in 128MB Flash ROM and 64 MB SDRAM
Display 2.8" QVGA TFT LCD, 320x240 64k
Network Quad-band world phone (850/900/1800/1900 MHz), GSM, GPRS, EDGE™ class 10
Wi-Fi Built-in Wi-Fi with compliant IEEE, 802.11b, WPA authentication (WEP,PSK,EAP-TLS, PEAP) and 802.11i
E-mail Support for Cingular Xpress Mail, GoodLink™, ActiveSync, POP3/IMAP4 e-mail client
Battery Rechargeable Li-ion 1250 mAh
Speakerphone Built-in speakerphone
Built-in Camera (8125 model) 1.3 mega-pixel color camera with fixed lens and camcorder
Caller ID Customizable Photo Caller ID
Audio MP3, AMR, AAC, WAV, WMA Codec
2.5mm stereo audio jack
I/O Interface Bluetooth® wireless technology (version 1.2), IrDA, standard 5-pin mini USB 2.0 port
Expansion Mini SD memory card slot, known to support cards with up to 1GB memory, may support more than that.
Antenna Internal antenna with external antenna connector