Verizon has release a software for the Galaxy Tab 7.7, here are a few hints to make the process quick and easy:
Download and installation should take 15-20 minutes. Keep in mind that during the installation you will be unable to use your Samsung Galaxy Tab 7.7.
Software update size: Approximately 283.1MB.
System Update while you are Roaming
1. If you are roaming you will not receive a system update notice. You will need to enable Wi-Fi and wait for the update
notice to appear or as mentioned above you can manually update by going to "Home" > "Application" > "Settings"
> "About device" > "System updates".
2. To enable Wi-Fi go to "Settings" > "Wireless & networks". Tap "Wi-Fi" to enable.
3. To connect to an available "Wi-Fi network" select "Wi-Fi settings" and select an available Wi-Fi network or
manually add a Wi-Fi network that has had security settings established.
If the system update fails to install, you will get an error screen. However, this only means the software did not install properly. The device will power back on with original software and will prompt you once again to install the system update.