puffitupだとまず最初に
New Serial Number
The easiest way to tell the new Boundless Tera V3 apart from the previous two versions is the serial number printed on the base of the unit. If your Tera has a serial number it also has revised internals, no disassembly required.
とあるのに・・・なぜ分かりにくい分解の方を選んだのか