Flash Tool compatible ROMs can be downloaded from here. Make sure “Wipe user data” box is checked and then click “OK”. Now the application will ask you to put your X10 into Flash mode. After reboot, your Xperia X10 should have the custom ROM that you flashed.Turn off the phone, press and hold the back button, and connect the USB cable to your computer.
* Easily switch Sim cards between GSM Carriers using the same Sony Ericsson * Our Automated system will E-Mail you the Sony Ericsson Unlock code * If you are travelling, buy a local SIM card and save on roaming fees * Unlock your Sony Ericsson device from the comfort of your own home * No complicated rooting,software, or cables required * Simply enter the Sony Ericsson Unlock code we e-mail you * There is absolutely no risk of damaging your Sony Ericsson phone by unlocking it.
Installing an old version of the software itself worked in the end) A few days went by and it looked as if my phone was working properly again …until it got stuck again on Sunday.
This time though it did not even bother to turn on at all!
Every now and then it got stuck and I had to reboot it (=remove the battery, wait, put the battery back in). It just gave me a white screen …or got stuck just at the logo.
After about 20 tries I managed to get a network connection again …not for long. They said since it is a German phone it *might* have some problems with the Telstra network. ) He suggested a master reset and a firmware upgrade.