There are rumors that Apple and Samsung are preparing a 12-inch tablets.
Some Chinese manufacturers have started to offer tablets with screen sizes 6.5 ", equipped with built-in 3G-modem.
Some manufacturers are willing to offer a tablet with a screen diagonal of 13.3 ", 15.6", and even 22. In fact, this is a form of mobile monoblock , which is not well suited for long-term use because of size and higher power consumption.