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If your Thuraya SG-2520 sat phone is not running firmware version 5.7 you could have problems connecting to the Thuraya network.To check what firmware version your phone is running:Select: Menu > Settings > System > System VersionUnder "Software version" the phone should say SG_V5.7.If your phone doesn't have the latest software version follow the steps below to upgrade.
You will require the following files to upgrade your sat phone.Thuraya SG-2520 Upgrader ManualThuraya SG-2520 Upgrader Software for Windows XPThuraya SG-2520 Upgrader Software for Windows Vista (32-Bit)Thuraya SG-2520 Upgrader Software for Windows Vista (64-Bit)Thuraya SG-2520 Firmware Version 5.7
Step 1:i. Download the Thuraya SG-2520 Upgrader Software on your desktop.ii. Go to the desktop and run the setup file.iii. Note: To double check successful download, click on Start programs and check if you have Thuraya SG-2520 on your programs list.iv. Please skip this step if you already have the program downloaded on your hard disk.Step 2:i. Download the Thuraya SG-2520 Firmware version 5.7 onto your hard disk.Step 3:i. Go to Start> Programs > Thuraya SG-2520 > Thuraya SG-2520 Software Upgrade Manual.Follow the described steps to complete upgrading your Thuraya SG-2520 satellite phone.