Originally Posted by star1977
I tried opening up the rom (zip file) and change the line in notepad.
But it doesn't allow me to save it back after that.
Indeed you can't do this like that.
1- Extract build.prop from your update.zip, save it to your adb directory
2- Edit it with a text editor (notepad, wordpad, vi, ....)
3- plug your phone on usb, do not mount the sdcard
4- adb remount
5- adb push build.prop /system/
6- reboot your phone.