For those needing more image storage on their ASIAIR, ASIAIR 1.4 (beta) now accepts a USB Flash Drive that is plugged into a USB connector of the Raspberry Pi.
The Setup Window of the ASIAIR app (on iOS) allows you to select between the internal storage (now reduced to around 20 GB from around 25 GB on ASIAIR v1.3) or an external USB flash drive.
I tried a 256 GB flash drive (not a typo -- a SanDisk Cruzer USB 2.0 Flash Drive with a whopping 256 GB), and the ASIAIR (non-pro model) appears to see all of it :-).
I tried a 1TB solid state drive (Samsung T5 portable SSD), but unfortunately, that does not work as external memory. The ASIAIR can see the SSD as mounted storage, but the ASIAIR app reports a very small amount (something like 1 or 2GB) of storage -- perhaps the ASIAIR is looking at a Boot partition of the drive (which is small), but I can't be certain yet. When I have more time, I will try different combinations of Linux ext and Windows FAT file formats and partitions to see if some combination works.
That being said, you can today already buy USB 3.0 Flash Drives with up to 1 TB and "up to" 400 MB/second transfers (although those kinds of speed may need the ASIAIR Pro's USB 3.0 ports). So, not being able to use solid state drives is not really a problem.
Clear skies,
Chen
