Foldable smartphones have reached their fifth major generation, as heralded by Samsung’s Galaxy Z Flip 5 and Fold 5…
For me it’s definitely the durability concerns. I’ve valued my phone’s water and dust resistance since getting an ip67 phone years and years ago. My brother had a flip and a grain of sand in his pocket got under the display; when he closed the phone the display died. And they expect me to pay more for the privilege.
Lack of interest in the form factor. Too thick when folded. Folds are too large for one hand when open. Cost is high for the chip sets and memory.