Asus Zenfone 4 Pro (ZS551KL)
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Best Asus Zenfone 4 Pro (ZS551KL) Amazon.com Deals for Friday 2nd of January 2026
ASUS ZenFone 4 Pro (ZS551KL) 6GB / 64GB 5.5-inches 4G LTE Dual SIM Factory Unlocked - (Pure Black)...
$295.21
Asus ZenFone 4 Pro (ZS551KL) 6GB/ 64GB 5.5-Inches 4G LTE Dual Sim Factory Unlocked (Moonlight White)...
$305.87
ASUS ZS551KL-S835-6G64G-B ZenFone 4 Pro 5.5-inch FHD IPS AMOLED 6GB RAM, 64GB storage LTE Unlocked Dual SIM Cell Phone, ...
ASUS ZenFone Max Pro (M2) (ZB631KL) 4GB / 128GB 6.3-inches LTE Dual SIM Factory Unlocked - International Stock No Warran...
$279.00
ASUS ZenFone 5Z (ZS620KL-S845-6G64G) - 6.2" FHD+ 2160x1080 display - 6GB RAM - 64GB storage - LTE Unlocked Dual SIM Cell...
$349.00
Offical OEM ASUS 18W Fast Wall/Travel Charger with Type - C USB for ZenFone 3/Zenpad Z10/ ZT500KL/LG G5/G6/Galaxy S8/S8+...
$19.00
HEADSET + MICROPHONE OZZZO FOR Asus ZenFone 4 Pro ZS551KL...
Best Asus Zenfone 4 Pro (ZS551KL) Ebay.com Deals for Friday 2nd of January 2026
US For Asus ZenFone 4 Pro ZS551KL Z01GS 5.5" LCD Display Touch Screen Glass Lens...
$58.89
USA For 5.5 Asus ZenFone 4 Pro ZS551KL Z01GS LCD Display Touch Screen Digitizer...
$64.38
ASUS Zenfone 4 Pro 5.5" 64GB 6GB Dual SIM Unlocked HDR Camera Smartphone...
$339.99
For Asus ZenFone 4 Pro ZS551KL Z01GS LCD Display Touch Screen Digitizer Glass RH...
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3X EZguardz New Screen Protector Cover HD 3X For Asus Zenfone 4 Pro ZS551KL...
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For All ASUS Phone Case Shockproof Rubber TPU Carbon Fiber Protective Cover...
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For All ASUS Phone Case Shockproof Rubber TPU Carbon Fiber Protective Cover...
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Wholesale Bulk Lot of 50 Asus Zenfone 4 Pro ZS551KL Various Mixed Phone Cases...
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For Asus ZenFone Max Pro Plus 4 Max M1 ZC554KL 3 ZOOM Flip Leather Wallet Case...
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For Asus Zenfone 4 ZE554KL 4 Pro ZS551KL Carbon Fiber TPU Phone Back Case Cover...
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For Asus Zenfone 4 ZE554KL 4 Pro ZS551KL Carbon Fiber TPU Phone Back Case Cover...
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For Asus Zenfone 4 ZE554KL 4 Pro ZS551KL Carbon Fiber TPU Phone Back Case Cover...
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For Asus Zenfone 4 ZE554KL 4 Pro ZS551KL Carbon Fiber TPU Phone Back Case Cover...
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For Asus Zenfone 4 ZE554KL 4 Pro ZS551KL Carbon Fiber TPU Phone Back Case Cover...
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Leather Flip Belt Clip Holster Case Cover For Asus Zenfone 3 Max 4 Selfie 5Z AR...
$9.99
Leather Case Belt Clip Holster Cover For Asus Zenfone 5 5z 4 Max 4 Pro 3 Zoom AR...
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Slim Carbon Fiber Brushed Soft Case Cover For ASUS Zenfone 3s 4 5z Max Pro Plus...
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Slim Carbon Fiber Brushed Soft Case Cover For ASUS Zenfone 3s 4 5z Max Pro Plus...
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OFFICIAL HAROULITA GLITTER SPARKLE LEATHER BOOK CASE FOR ASUS ZENFONE PHONES...
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OFFICIAL MONIKA STRIGEL GLITTERS LEATHER BOOK CASE FOR ASUS ZENFONE PHONES...
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Design
| Cameras | Asus Zenfone 4 Pro (ZS551KL) vs average Asus cameras details comparison | Difference in units | Difference in % | Asus Zenfone 4 Pro (ZS551KL) | Difference in % | Difference in units | Asus Zenfone 4 Pro (ZS551KL) vs average smartphone cameras details comparison |
|---|---|---|---|---|---|---|---|
| Main Camera Megapixels | 28 MP vs 14.9 MP | 13.05 MP more megapixels | +87.4% | 28 MP | +117% | 15.1 MP more megapixels in the main camera | 28 MP vs 12.9 MP |
| Front Camera | YES vs 98.6% YES | YES | YES vs 95.5% YES | ||||
| Flash / Flashlight | YES vs 100% YES | YES | YES vs 97.7% YES | ||||
| Built-in HDR Mode | YES vs 100% YES | YES | YES vs 88.3% YES | ||||
| Optical Zoom Range | 2 x vs 0.1 x | 1.89 x more optical zoom | +1757.1% | 2 x | +2382.6% | 1.92 x higher optical zoom | 2 x vs 0.1 x |
| Flash Multi-LEDs | 3 vs 1.5 | 1.46 more flash LEDs | +94.4% | 3 | +133.1% | 1.71 more flash LEDs | 3 vs 1.3 |
| Front Camera Megapixels | 8 MP vs 6.5 MP | 1.49 MP more megapixels | +23% | 8 MP | +22.6% | 1.47 MP more megapixels in the front camera | 8 MP vs 6.5 MP |
| Main Camera Video Recording Resolution | 64800 fps vs 41945.8 fps | 22854.19 fps higher video recording resolution | +54.5% | 64800 fps | +76% | 27981.2 fps higher video recording resolution | 64800 fps vs 36818.8 fps |
| Multi-Lens Main Camera | YES vs 62.5% YES | YES | YES vs 47.9% YES | ||||
| Optical Image Stabilization | YES vs 51.5% YES | YES | YES vs 29.7% YES | ||||
| Photo Phase Detection Autofocus | YES vs 90.6% YES | YES | YES vs 58.6% YES | ||||
| Laser Autofocus | YES vs 50% YES | YES | YES vs 11.8% YES | ||||
| CMOS Image Sensors | YES vs 95.8% YES | YES | YES vs 96.6% YES | ||||
| Touch Screen Autofocus | YES vs 92.5% YES | YES | YES vs 92.5% YES | ||||
| Supports Slow Motion Video Recording | YES vs 39.1% YES | YES | YES vs 30.6% YES | ||||
| Panorama Creation from Multiple Photos | YES vs 100% YES | YES | YES vs 94.4% YES | ||||
| RGB LED Flash Lights | YES vs 4.8% YES | YES | YES vs 2% YES | ||||
| Wider Aperture | 1.7 f vs 2 f | 0.3 f less widest aperture | -15% | 1.7 f | -15.9% | 0.32 f tighter aperture | 1.7 f vs 2 f |
| Front Camera Wider Aperture | 1.9 f vs 2 f | 0.14 f less wider aperture | -6.9% | 1.9 f | -8.5% | 0.32 f tighter aperture | 1.9 f vs 2.1 f |
| Pixel Size | 1.4 µm vs 1.3 µm | 0.1 µm larger | +7.3% | 1.4 µm | -1.1% | 0.02 µm smaller pixel size | |
| Summary | |||||||
Performance
| RAM Memory | Asus Zenfone 4 Pro (ZS551KL) vs average Asus RAM memory options comparison | Difference in units | Difference in % | Asus Zenfone 4 Pro (ZS551KL) | Difference in % | Difference in units | Asus Zenfone 4 Pro (ZS551KL) vs average smartphone RAM memory options comparison |
|---|---|---|---|---|---|---|---|
| RAM Memory Size | 6 GB vs 3.2 GB | 2.75 GB more RAM memory | +84.8% | 6 GB | +146.4% | 3.57 GB more RAM memory | 6 GB vs 2.4 GB |
| RAM Speed | 1688 MHz vs 1077 MHz | 610.96 MHz higher RAM speed | +56.7% | 1688 MHz | +38.7% | 471.27 MHz higher RAM speed | 1688 MHz vs 1216.7 MHz |
| Summary | |||||||
Features
| OS & Software Features | Asus Zenfone 4 Pro (ZS551KL) vs average Asus OS & Software features comparison | Difference in units | Difference in % | Asus Zenfone 4 Pro (ZS551KL) | Difference in % | Difference in units | Asus Zenfone 4 Pro (ZS551KL) vs average smartphone OS & Software features comparison |
|---|---|---|---|---|---|---|---|
| Allows to Install APPs on the External Storage | YES vs 100% YES | YES | YES vs 99.9% YES | ||||
| Allows Widgets on the Home Screen | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Video Chat Function Available | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Screenshot of the Phone's Screen | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Number of Supported Languages | 125 vs 93.6 | 31.42 more supported languages | +33.6% | 125 | +27.7% | 27.08 more supported languages | 125 vs 97.9 |
| Number of Supported Emojis | 1500 vs 1527.5 | 27.5 less supported emojis | -1.8% | 1500 | -2.4% | 36.62 less supported emojis | 1500 vs 1536.6 |
| Supports Multi-User Login | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Child Lock - Children Protection | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Customizable Notifications | YES vs 100% YES | YES | YES vs 99.7% YES | ||||
| Free to Use & Open Source | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Java Support | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Supports OTA Over-the-Air Updates | YES vs 100% YES | YES | YES vs 100% YES | ||||
| OTA Over-the-Air Synchronization | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Summary | |||||||
Capacity
| Battery Capacity | Asus Zenfone 4 Pro (ZS551KL) vs average Asus battery capacity comparison | Difference in units | Difference in % | Asus Zenfone 4 Pro (ZS551KL) | Difference in % | Difference in units | Asus Zenfone 4 Pro (ZS551KL) vs average smartphone battery capacity comparison |
|---|---|---|---|---|---|---|---|
| Battery Power | 3600 mAh vs 3196.6 mAh | 403.42 mAh more battery power | +12.6% | 3600 mAh | +29.8% | 827.51 mAh more battery power | 3600 mAh vs 2772.5 mAh |
| Battery Level Indicator | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Rechargeable Battery | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Battery Life Hours | 27.5 h vs 27.2 h | 0.3 h more life hours | +1.1% | 27.5 h | +42.7% | 8.23 h more life hours | 27.5 h vs 19.3 h |
| Supports Fast Charging | YES vs 68.4% YES | YES | YES vs 48.3% YES | ||||
| Summary | |||||||
Reviews
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