Press and hold the buttons simultaneously.
The prefix identifies the hardware. In Samsung’s internal codenames, the is the Samsung Galaxy Tab 3 8.0 (Wi-Fi only model). Released in June 2013, it featured: t310.twrp.3.1.0-1.tar.md5
In an age where smartphones and tablets are increasingly locked down, encrypted, and treated as appliances, this humble archive stands for the opposite principle. It says: you own the device. You decide what runs on it. Press and hold the buttons simultaneously