The excellent Oppo Find N2 is such a huge leap ahead of the Find N, it should be considered the reference point for all annual phone upgrades in the future.
OPPO Find N2 Flip review: Flippin' fabulous - Android Authority
Flip phone battle: Samsung Galaxy Z Flip 4 vs Oppo Find N2 Flip
The Oppo Find N2 is the folding phone I've waited all year for
Oppo Find N2 Flip First Impressions: The Galaxy Z Flip 4 we've been waiting for
The Folks Behind OnePlus Are Coming After Samsung's Foldables
Oppo Find N2 review: Beautiful hardware that Android just can't deal with
OPPO FIND N2. Anyone switching? what do you think? : r/GalaxyFold
Oppo Find N2 Flip: We Go Hands-On With the New Foldable's Huge Cover Screen - CNET
OPPO FIND N2 personal review /Comparison to F4. : r/GalaxyFold