The Galaxy Z Fold2 5G is the phone that made Samsung's book-style foldable genuinely usable, and it still holds up as a way into folding phones without paying current flagship money. The original Galaxy Fold asked you to live with a 4.6-inch strip of a cover screen; the Fold2 replaced it with a proper 6.2-inch edge-to-edge display, so you can reply to messages, navigate and take calls without opening the phone at all. Unfolded, the 7.6-inch inner screen runs at 120Hz and is still an excellent surface for reading, spreadsheets and split-screen multitasking. The trade-offs are real and worth knowing before you buy. It is heavy at 282g, there is no water resistance rating at all, and the triple 12MP camera system is competent rather than special next to a same-era Galaxy Note20 Ultra. Samsung's software support has also ended, so you will not receive further Android or security updates. Buy it as a big-screen productivity device you look after carefully, not as a phone you throw in a bag with keys.