The evolution of foldable smartphones from clumsy hardware experiments to mainstream daily drivers tells a wild story of engineering survival.
- Royole FlexPai kicked off the madness back in 2018 with a stiff, outward-folding hinge that felt more like a prototype than a consumer device.
- Samsung and Huawei quickly hijacked the momentum, refining book-style designs and flipping shells into pocketable nostalgia boxes.
- Whispers of an upcoming Apple foldable iPhone Duo concept suggest Cupertino is finally ready to gatecrash the party by 2025 or 2026.

Would you drop $2,000 on a folding brick today, or are you still waiting for Cupertino to fix the crease?
TechKomo Disclaimer: The details discussed below regarding unannounced Apple devices are based on early industry leaks and insider supply chain reports. Official specifications may vary.
Breaking Down the FlexPai Era
Back in 2018, the Royole FlexPai shocked the tech world by beating Samsung to the punch.
It featured a flexible 7.8-inch AMOLED display that bent outward in a clumsy arc.
The software was a total disaster, crashing constantly and leaving visible ripples across the plastic screen.
Reviewers tore it apart for its bulky 320g / 11.28 oz chassis and pocket-stretching dimensions.
Yet, this chaotic gadget proved that flexible OLED panels could actually bend without shattering into dust.
The Samsung Monopoly and Shell Flips
Samsung learned hard lessons from its original Galaxy Fold launch disasters in 2019.
Engineers reinforced the hinge and introduced ultra-thin glass to replace vulnerable plastic layers.
By 2023, devices like the Galaxy Z Fold 5 and Z Flip 5 achieved mainstream durability standards.
Rivals from China like Oppo and OnePlus pushed waterdrop hinges that virtually eliminated the annoying screen crease.
Consumers finally got IPX8 water resistance and all-day batteries without sacrificing flagship camera performance.
| Device Model | Release Year | Display Size | Battery Capacity | Starting Price |
|---|---|---|---|---|
| Royole FlexPai | 2018 | 7.8-inch | 3800mAh | $1,300 / €1,200 / £1,050 |
| Samsung Galaxy Fold | 2019 | 7.3-inch | 4380mAh | $1,980 / €1,850 / £1,650 |
| Galaxy Z Fold 5 | 2023 | 7.6-inch | 4400mAh | $1,799 / €1,899 / £1,749 |
| Apple Foldable Duo (Leaked) | 2025/2026 | 7.9-inch | 5000mAh | $2,199 / €2,099 / £1,949 |
Why the iPhone Duo Changes Everything
Supply chain insiders indicate that Apple is quietly testing dual-screen hardware behind closed doors.
Industry leaks suggest a launch window slated between late 2025 and early 2026.
Pricing will likely start near $2,199 / €2,099 / £1,949, targeting ultra-premium luxury buyers.
Apple usually waits for technologies to mature before flooding the market with polished software integrations.
Their arrival will legitimize the foldable smartphones category for millions of hesitant buyers worldwide.
The Market Realignment
Rival brands are racing to slim down their hardware before Apple drops its first flexible flagship.
Thinner profiles under 9mm when folded are becoming the baseline expectation for flagship buyers.
Competition is forcing component makers to slash production costs and improve hinge longevity across the board.
The Verdict on Flexible Future
We have come a long way from the plastic-wrapped nightmares of the early experimental decade.
Today’s hardware handles multitasking with grace, though high price tags remain a major barrier to entry.
If you crave cutting-edge tech and demand true multitasking power, current foldables finally justify their heavy cost.
- K.K., Founder of TechKomo





