Most used apps (some I span, some I use in ComposeLandscape mode) -.

Was the corner of the desk and almost dead cents of the back of the phone.

The aspect ratio on the Fold looks somewhat promising -- I found the narrow screen on both the Galaxy Fold and Xiaomi Mix Fold 2 to be far too narrow to be usable in any functional way for my use cases (actual dual screen work).

It's also got a sturdy telescopic grip, so it fits my Surface Duo, my Surface Pro 4, and everything in between.

For example, try to use the phone with one screen folded back and only one screen operating unless you need both screens.

You can find it on, AliExpress, ebay and Amazon.

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Otherwise, I think rennasaisance or something is a company that's known to have pretty good third party surface duo replacements.

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Update Info.

They only have it for the Duo 2.