Question about Siemens SX66

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Help me hi i tried to upgrade my siemens sx66 os from wm4.2 to wm6. But i dont know what happened in between...i think the os has jus show USB on the screen...cant restart or me out

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Re: help me

I got the same problem. Were you able to fix the problem. Maybe you can help me ?

Posted on May 23, 2008

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Re: help me

Check hard reset. Turn off your pda and hold on the turn on button as same time you make you normal reset.

Posted on Mar 09, 2008

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Freezed SX66 at the initiation Windows page

Hi there,

This could be an internal problem on the device, cause of instant shock cause of dropping it. You better try to remove the battery for a while to reset and restore the system.

If the above recommendation did not solve the issue, try to remove the memory card, if still not working try to update the firmware of your unit.

Let me know here again for the update.


Jul 19, 2009 | Siemens SX66

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I go to the WM6 and now my SX66 don´t find the signal, plz i need a solution

I would recommend using Pocket PC 2003 version instead. WM 5 or 6 may have significant issues with phone compatibility. If you can go back to 2003 and the phone still doesn't work there may be a hardware issue, then you need to replace or repair. Replace is usually the better option. Search if that is what you need.

Below, instrutctions on getting ROM for PPC 2003:

Try and ebay for ROM upgrades. There are many people who unlock these kinds of devices. I don't believe you can upgrade it to WM 5.0 or beyond, but that may be possible. Search for WM versions that include "unlocked" versions. The best bet is a newer version of PPC 2003.

The process is relatively simple. Once you have your ROM on CD or via download, You run it with your device hooked up to your PC via cable/cradle and connected via ActiveSync (3.7 or later). The warning is an improper ROM load could make your device unusable. It is a risk you have to take if you want it to make calls. Toss up: no phone Pocket PC, pocket PC phone, or shiny brick. If the XDA site has recommendations on a ROM source, they are not likely to steer you wrong. They will state emphatically, that you do not want any interruptions in the ROM upgrade process. If you have a power outage or something shuts off for any reason, you will have the shiny brick and be looking for a new device.

Jun 11, 2008 | Siemens SX66

2 Answers

Imate jamin upgrade

yes, of course you can.
i've upgraded many Jamins to the WM6 and even WM6.1

try this link:

if you need any further info or help just sent me a msg.


Jun 08, 2008 | i-mate JAMin Smartphone

3 Answers

Siemens SX66 unlock code

You can get the unlock code here at low cost and also get the unlock instructions in the same site.....

May 24, 2008 | Siemens SX66

1 Answer

Siemens sx66 wont work

Download mitty 1.42 file from this website.

Mar 24, 2008 | Siemens SX66

1 Answer

Siemen sx66 my back light out

I don't have an SX66. I have an SX56, but have you tried holding down the power button for several seconds while it is still on? With the SX56 that "toggles" the backlight display. You could also try settings for the backlight in the menus. Otherwise, the backlight may be dead. Best bet is to purchase a new or used one on ebay or other location.

Mar 16, 2008 | Siemens SX66

1 Answer

Upgrading to windows moble 6

The following link has all of the files and instructions you need to upgrade your BlackJack to WM6:

You'll be glad that you updated!

Jan 22, 2008 | Samsung Blackjack SGH-I607 Smartphone

2 Answers

Re: Siemens SX66 , Broken Screen!!!

Sounds like the LCD screen is cracked, and needs to be replaced. You can e-mail me at for more info or you want it repaired. DAVE.

Dec 31, 2007 | Siemens SX66

1 Answer

WM6 for T830 Pocket Loox

Still BETA but WM6:

Dec 04, 2007 | Fujitsu Siemens Pocket LOOX T830...

4 Answers

Battery problem

preform a soft and if necessary a hard reset back info to pc first Pocket PC Sites

May 10, 2007 | O2 Xda Atom

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