Samsung’s Galaxy Tab is a lineup of Android-based tablet by Samsung. Samsung’s first tablet computer model came on 2 September 2010. It was a 7 inch Samsung Galaxy Tab, which was presented at IFA in Berlin. After that, Samsung has released several models in its Galaxy lineup, which came in 7.7 inches, 8.9 inch and 10.1-inch displays. Galaxy Tab Wi-Fi versions include a GPS system, whereas 3G/4G tablets include the cellular capability. Galaxy Tab was the company’s first android-powered tablet to be released. In 2011, during IFA, Samsung announced another Galaxy tab with a 7.7 inches super AMOLED screen. After this, Samsung has launched Galaxy Tab 8.9, Tab 10.1, Galaxy Tab 2, Galaxy Tab 3, Galaxy Tab 3 Lite, Galaxy Tab 4, Galaxy Tab Pro, Galaxy Tab S, Galaxy Tab A and much more in coming years. Samsung Galaxy Tab S4 was announced on 1 August 2018 with Qualcomm Snapdragon 835 and 7300mAh battery. In 2019, Samsung Galaxy Tab S5e was presented on 15 February 2019, and in July it came with Galaxy Tab S6.