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UPDATE: Siemens SX56 Pocket PC Phone Edition ROM Update
Posted by Arne Hess - on Tuesday, 10.06.03 - 11:08:37 CET under 02 - Windows Mobile News - Viewed 10681x
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Siemens recently released a ROM update for its SX56 Pocket PC Phone Edition (distributed by AT&T Wireless in the US and manufactured by HTC).

It includes a bunch of enhancements and fixes. However, it's not recommended to install this upgrade on O2 xda's, T-Mobile Phone Editions or Qtek 1010's.

This ROM version A.20.17 contains the following enhancements:

  • Short ring tone volume increased
  • Call waiting audio alert volume increased
  • "Unknown" displayed when incoming caller ID is blocked
  • GPRS connection setting selection available while in power-save mode: "keep GPRS connection" or "end GPRS connection"
  • Incoming SMS shows the sender's name if the sender's phone number is listed in the Contacts list
  • Microsoft Mobile Information Server through GPRS connection enhanced to allow frequent updates
  • Wireless Tools application optimized, allowing more space for new applications and data storage
  • Improved Pocket Internet Explorer browsing

Cheers ~ Arne

Related Links : [More Information] [Download Here]


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Posted by David W. Ray on 30.06.03 - 16:23:02

The download link does not seem to work properly.  What is the download address?

Posted by Arne Hess on 30.06.03 - 16:30:14

You are right, for any reason they was outdated.

I've updated them so it should works fine now.

Posted by Mark on 02.08.04 - 20:33:23

Where can I get the siemens sx56 rom update download?

Posted by Martin on 16.08.04 - 08:00:48

I need the Siemens sx56 Pocket PC 2003 Update. They removed it from their website and I need it.. Please, if someone still have it, constact me at
Thank you in advance..

Posted by ali on 28.05.05 - 23:54:36

I too would like to be contacted if any has the updates for the SX56.  Siemens hat disable the download link from there site.

Posted by OMi on 16.09.05 - 13:53:52

You can make your own customized ROMs for your sx56, check out

I've using a cooked ROM for over a year now and these are definetly better than the original ROMS.


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