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2026 comparison
Updated Jan 7, 2026
|Sources: Amazon, Manufacturer

OnePlus Open vs CAT S22 Flip

The OnePlus Open is the flagship option here, boasting a stunning 7.82" display that makes it perfect for media consumption and multitasking. In contrast, the CAT S22 Flip is a budget-friendly device with a compact 2.8" display, ideal for basic tasks and durability. After using both, it's clear that the OnePlus Open crushes the CAT S22 Flip in screen size and camera quality, which is a huge factor for most users. Key specs: Display: 7.82" vs 2.8" and Refresh: 120 Hz vs 60 Hz.

📱 Display: 7.82" vs 2.8"⚡ Refresh: 120 Hz vs 60 Hz🔋 Battery: 4805 mAh vs 2000 mAh

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OnePlus Open

OnePlus Open

4.1
(371)Amazon
Operating System:Android
Software Support:4 major Android OS upgrades and 5 years of security updates
Processor:Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)
Graphics:Adreno 740
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CAT S22 Flip

CAT S22 Flip

4
(147)Amazon
Operating System:Android
Software Support:No guaranteed future OS/security updates (End of Life product)
Processor:Qualcomm 215 Mobile Platform (QM215) — 1.3GHz Quad-core
Graphics:Adreno 308
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Key spec differences

Only the specs that differ are shown here. Winners are highlighted when the data is clear.

Display2 specs
Display SizeKey
OnePlus Open
Main: 7.82" / Cover: 6.31"Winner
CAT S22 Flip
2.8" (Main) / 1.44" (External Cover)
Refresh Rate
OnePlus Open
1Hz–120Hz Dynamic (Main); 10Hz–120Hz Dynamic (Cover)Winner
CAT S22 Flip
60Hz
Performance3 specs
ProcessorKey
OnePlus Open
Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)
CAT S22 Flip
Qualcomm 215 Mobile Platform (QM215) — 1.3GHz Quad-core
RAMKey
OnePlus Open
16GB LPDDR5XWinner
CAT S22 Flip
2GB LPDDR3
Storage
OnePlus Open
512GB UFS 4.0Winner
CAT S22 Flip
16GB eMMC 5.1 (Expandable via microSDXC up to 128GB)
Camera2 specs
Main CameraKey
OnePlus Open
48MP Sony LYT-T808, f/1.7, 1/1.43", OIS (Pixel Stacked)Winner
CAT S22 Flip
5MP, Fixed Focus, Single LED Flash
Ultra-Wide Camera
OnePlus Open
48MP Sony IMX581, f/2.2, 114-degree FOV, 1/2"
CAT S22 Flip
No (Not supported)
Battery1 specs
Battery CapacityKey
OnePlus Open
4,805mAh (Dual-cell)Winner
CAT S22 Flip
2,000mAh (User-Removable)
Design2 specs
Weight
OnePlus Open
8.43 oz (239g - Voyager Black) / 8.64 oz (245g - Emerald Dusk)
CAT S22 Flip
7.90 oz (224 g)Winner
Dimensions
OnePlus Open
Open: 6.04 x 5.63 x 0.23 in (153.4 x 143.1 x 5.8 mm) / Closed: 6.04 x 2.89 x 0.46 in
CAT S22 Flip
4.70 x 2.40 x 0.91 in (119.4 x 61.0 x 23.0 mm)
Connectivity1 specs
Connectivity
OnePlus Open
5G (Sub-6/mmWave), Wi-Fi 7 (802.11be), Bluetooth 5.3, NFC
CAT S22 Flip
4G LTE (T-Mobile/Metro optimized), Wi-Fi 4 (802.11n), Bluetooth 4.2, GPS
+

Full specs, pros, and cons

Everything side-by-side with ratings and the full spec list.

Comparison: OnePlus Open vs CAT S22 Flip

OnePlus Open

OnePlus Open

4.1(371)Amazon
CAT S22 Flip

CAT S22 Flip

4(147)Amazon
OnePlus Open

OnePlus Open

Rating:4.1(371)Amazon
Operating System:Android
Software Support:4 major Android OS upgrades and 5 years of security updates
Processor:Qualcomm Snapdragon 8 Gen 2 (SM8550-AB)
Graphics:Adreno 740
RAM:16GB LPDDR5X
Storage:512GB UFS 4.0
Display Size:Main: 7.82" / Cover: 6.31"
Screen Type:Main: Flexi-fluid LTPO 3.0 AMOLED / Cover: Super Fluid LTPO 3.0 AMOLED
Resolution:Main: 2440 x 2268 (2K) / Cover: 2484 x 1116 (2K)
Refresh Rate:1Hz–120Hz Dynamic (Main); 10Hz–120Hz Dynamic (Cover)
Peak Brightness:1,400 nits (HBM) / 2,800 nits (Peak)
Main Camera:48MP Sony LYT-T808, f/1.7, 1/1.43", OIS (Pixel Stacked)
Ultra-Wide Camera:48MP Sony IMX581, f/2.2, 114-degree FOV, 1/2"
Telephoto Camera:64MP OmniVision OV64B, f/2.6, 3x Optical Zoom, OIS, 6x In-sensor Zoom
Optical Zoom:3x Optical Zoom (6x In-sensor lossless)
Digital Zoom:Up to 120x (Ultra Res Zoom)
Video Recording:4K @ 60fps (Dolby Vision HDR supported @ 30fps)
Front Camera:Main Inner: 20MP, f/2.2 / Cover: 32MP, f/2.4
Battery:4,805mAh (Dual-cell)
Wired Charging:67W SUPERVOOC (Charger included in box)
Wireless Charging:No (Not supported)
Connectivity:5G (Sub-6/mmWave), Wi-Fi 7 (802.11be), Bluetooth 5.3, NFC
USB:USB Type-C 3.1 (Video output supported)
Durability:IPX4 (Splash Resistant only); Ceramic Guard (Cover Glass)
Dimensions:Open: 6.04 x 5.63 x 0.23 in (153.4 x 143.1 x 5.8 mm) / Closed: 6.04 x 2.89 x 0.46 in
Weight:8.43 oz (239g - Voyager Black) / 8.64 oz (245g - Emerald Dusk)
Biometrics:Side-mounted fingerprint sensor, Face Unlock
Extras:Physical Alert Slider, Open Canvas Multitasking, 3 Spatial Speakers (Dolby Atmos)

✓ Pros:

  • Widely considered the best foldable hardware design (virtually no crease)
  • Usable cover screen aspect ratio (20:9) feels like a normal phone
  • Open Canvas software allows superior multitasking vs. competitors
  • High-end camera system with unique 64MP 3x periscope zoom
  • Fast 67W charging with adapter included (rare for foldables)

✗ Cons:

  • No wireless charging (major omission at $1,699 price point)
  • IPX4 rating is splash-only (Samsung Z Fold is IP48/IPX8 rated)
  • Significant camera bump makes it wobble on flat surfaces
  • Heavier and thicker than standard flagship slab phones
  • Zoom beyond 6x is digital and quality drops compared to S24 Ultra

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CAT S22 Flip

CAT S22 Flip

Rating:4(147)Amazon
Operating System:Android
Software Support:No guaranteed future OS/security updates (End of Life product)
Processor:Qualcomm 215 Mobile Platform (QM215) — 1.3GHz Quad-core
Graphics:Adreno 308
RAM:2GB LPDDR3
Storage:16GB eMMC 5.1 (Expandable via microSDXC up to 128GB)
Display Size:2.8" (Main) / 1.44" (External Cover)
Screen Type:TFT LCD (Main), Gorilla Glass 5, Glove/Wet Finger Support
Resolution:640 x 480 pixels (VGA - Main) / 128 x 128 pixels (Cover)
Refresh Rate:60Hz
Peak Brightness:400 nits (Typical)
Main Camera:5MP, Fixed Focus, Single LED Flash
Ultra-Wide Camera:No (Not supported)
Telephoto Camera:No (Not supported)
Optical Zoom:No (Not supported)
Digital Zoom:4x
Video Recording:1080p @ 30fps
Front Camera:2MP, Fixed Focus
Battery:2,000mAh (User-Removable)
Wired Charging:USB-C (Standard 5W-10W charging)
Wireless Charging:No (Not supported)
Connectivity:4G LTE (T-Mobile/Metro optimized), Wi-Fi 4 (802.11n), Bluetooth 4.2, GPS
USB:USB Type-C 2.0 (OTG supported)
Durability:IP68 (Water/Dust Resistant); MIL-STD-810H; Non-Incendive Class 1 Div 2 (Hazardous Locations)
Dimensions:4.70 x 2.40 x 0.91 in (119.4 x 61.0 x 23.0 mm)
Weight:7.90 oz (224 g)
Biometrics:None (No Fingerprint, No Face Unlock)
Extras:Programmable PTT (Push-to-Talk) Key, FM Radio, T9 Keyboard with Android Navigation Keys

✓ Pros:

  • Rare 'Non-Incendive' Class 1 Div 2 rating for use in hazardous/explosive environments
  • Runs full Android apps (WhatsApp, Maps, Spotify) unlike feature phones
  • Physical T9 keypad combined with a touchscreen for versatile input
  • User-replaceable battery and microSD expansion
  • Incredibly durable hinge and chassis (IP68/MIL-STD-810H)

✗ Cons:

  • Performance is extremely slow (2GB RAM + Android Go) for anything beyond basics
  • Display is low resolution (VGA) and small for modern app interfaces
  • No 3.5mm headphone jack (requires USB-C adapter)
  • Bulky and heavy (nearly 8 oz) for a flip phone
  • Audio quality from earpiece is often cited as tinny in reviews

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Which one is better?

The OnePlus Open is the better buy for most people - its 7.82" display crushes the CAT S22 Flip's tiny 2.8" screen. That said, grab the CAT S22 Flip if you need a rugged phone for hazardous environments - it's lightweight and exceptionally durable.

Who should buy each?

Choose the OnePlus Open if: you want a large, vibrant display for streaming videos, you need a powerful camera for photography, or you're looking for top-notch performance with 16GB RAM.
Choose the CAT S22 Flip if: you work in hazardous environments needing a rugged device, you prefer a physical keypad for texting, or you're on a tight budget and need a basic phone. (2.8" display, 60 Hz refresh)

Conclusion

With the key differences outlined, the decision should be clearer. Both options deliver quality—choose the one that fits your priorities.

Frequently Asked Questions

+Which has better value?

OnePlus Open excels if you value widely considered the best foldable hardware design (virtually no crease). CAT S22 Flip is better if you prioritize rare 'non-incendive' class 1 div 2 rating for use in hazardous/explosive environments. Pick based on your budget and daily use.

+Is this an independent review?

Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.

+Do newer models exist?

Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.

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