asus Series
8.1/10
asus zenfone 4 pro zs551kl
Released 2021, October 11 • Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4 • Hybrid Dual SIM (Nano-SIM, dual stand-by)
Estimated Market Price
₹34,996
Updated Feb 2026
Display
5.5"
AMOLED Display
Main Cam
64MP
High Res
Memory
64GB
Storage
Power
4.8k
4750 mAh
Performance Architecture
Processer / Chipset
Qualcomm MSM8998 Snapdragon 835 (10 nm)
CPU Core Configuration
Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
Graphics (GPU)
Adreno 540
Benchmark Estimates
8.1 Score
Performance Tier
Flagship Class
Strengths
- Large 4750mAh battery capacity
Trade-offs
- Entry-level camera performance
- Check detailed specs for limitations
Technical Data Sheet
Comprehensive hardware and software specifications
Data Source
Specifications are automatically aggregated from official vendor datasheets and certified databases.
General
Brand
asus
Model
asus zenfone 4 pro zs551kl
Release Date
Released 2021, October 11
OS
Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4
SIM
Hybrid Dual SIM (Nano-SIM, dual stand-by)
Display
Type
AMOLED Display
Size
5.5 " (inches)
Resolution
1080 x 1920 pixels (px)
Platform
Chipset
Qualcomm MSM8998 Snapdragon 835 (10 nm)
CPU
Octa-core (4x2.45 GHz Kryo & 4x1.9 GHz Kryo)
GPU
Adreno 540
OS
Android 7.1.1 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4
Memory
Internal
64GB|128GB
Card Slot
microSDXC (uses shared SIM slot)
Main Camera
Modules
64 MP, f/1.6, 26mm (wide), PDAF<BR>8 MP, f/3.5, 135mm (periscope telephoto), PDAF, 5x optical zoom<BR>12 MP, (ultrawide), gimbal OIS<BR><BR>
Features
Quad-LED flash, panorama, HDR
Video
Yes
Selfie Camera
Modules
32 MP, (wide)
Battery
Type
Li-Po 4750 mAh, non-removable
Comms
WLAN
Yes
Bluetooth
Yes
GPS
Yes, with A-GPS
NFC
Yes
Radio
FM radio
USB
USB Type-C 2.0, USB On-The-Go
Body
Dimensions
156.9 x 75.6 x 7.6 mm (6.18 x 2.98 x 0.30 in)
Weight
175 (grams)
SIM
Hybrid Dual SIM (Nano-SIM, dual stand-by)
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