Before I try a custom-built firmware, I would like to backup the original one from my 2.1 SE Xperia phone. I know some original firmwares are out there to download but I would trust my own one better. ...
I'm experiencing trouble with the 2.1 to 2.2 update. It looks like this advice doesn't work for me as I have no Software Update button. I also tried this advice but it seems that I'm not able to put ...