Today, T-Mobile rolling optional upgrade to Android 4.0.5 Ice Cream Sandwich for its Samsung Galaxy Tab 7.0. It was first launched in November last year. We optional because the update will be through Samsung Kies and not via an OTA update.
You can get a nice, detailed walkthrough with full instructions and can be found via the source link below. After update you’ll notice Android version 4.0.5 / Software version T869UVLG7 numbers in your about system tab. Share your views about what you got after update via comments.