Everywhere I search, I see the 256Gb version should be using UFS4.0. I'm not sure how your 256Gb version uses UFS3.1 I thought it was only the 128Gb version.
Are there geographical differences for the storage types ?
Google should make a move toward "free" hardware, the way they have been doing with the software.
This way they can monopolize the market and enslave the whole Earth population and thus seize power from the indigenous naziolal chieftains.