O2 xdaIIi upgrade rom via sd card - PDA2, XDA IIi, 2020i General

Connector on my o2 xdaIIi is broken (no usb, no serial) , i can charge only.
Is it possible to upgrade rom via sd card? if yes how to do it?
is it possible to upgrade rom or radio separate?
does anybody know pinouts of connector under battery cover? does it have usb or serial pins?
does anybody have electrical diagram of alpine, o2 xdaIIi an so on?
thanks

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i have diamond from altell,....i can charging with my cable usb, but i cannot use it for upgrade ROM,....i know this is usb connector problem because i cant even syncronise my diamond with my pc with activesync.
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