What is dsdso Nano V2?

DSO Nano v2 is a Digital Storage Oscilloscope designed for basic electronic engineering tasks. Within its smart shell, the device runs on ARM Cortex™-M3 32 bit platform, provides basic waveform monitoring with extensive functions. It equips 320*240 color LCD, micro SD card storage, portable probes, LiPo Battery, USB connection and signal generator.

Can the V2 and VSO nano use the same firmware?

They can use the same firmware. A photo from inside the V2 was posted to the forum. The DSO Nano you hold in your hand took some time to reach you; it is more than likely that a newer version of the firmware is already available.

Where can I find the latest firmware for the DSO nano?

The DSO Nano you hold in your hand took some time to reach you; it is more than likely that a newer version of the firmware is already available. The newest firmware from BenF is available from the Tech Support (This link is broken, if you are looking for the firmware please refer to the wiki of DSO Nano V3) forum.