Pocketblue IIUC has a A/B model and uses apps from flathub - that does not out work well with a 16GB eMMC, even 32GB is cramped. That said, as mentioned in an

Pocketblue IIUC has a A/B model and uses apps from flathub - that does not out work well with a 16GB eMMC, even 32GB is cramped. That said, as mentioned in another thread here, work is being done to add PinePhone support.