Befor flashing custom ROMs to your I9300, you should back up your device's EFS files. Otherwise, your phone may not get signals if the EFS files lost while flashing ROMs. EFS files contains your phone's IMEI information, wireless network card MAC address, and data settings. Flashing ROMs with unknown baseband, flashing your phone frequently, and do full wipe incorrectly may cause your phone to lose its EFS information, IMEI information be cleared, cannot use data etc. Age Of Empires 1 Free Download Full Version For Windows 7 Torrent here.
Here's a kernel backup too for you. Please do not choose 'Restore EFS' before you've backed up your EFS files. Sage File Conversion. How to back up: 1. ROOT your phone 2. Download 'HC内核工具' (HC kernal tool) and install it on your phone (774.41 KB, Downloads: 3475).