New Release Updated: Apr 2026

Asus Zenfone 4 Max ZC520KL

$203 (Expected Price)

Reviewed by the MobGadgets Tech Team

We analyze specs, compare pricing, and aggregate real-world data to bring you unbiased mobile reviews. Learn how we test.

Display 5.2" AMOLED

Processor Snapdragon 425

Battery 4100mAh

RAM & Storage 16GB/32GB storage, microSDXC

Full Specs

Should you buy the Asus Zenfone 4 Max ZC520KL?

Reasons to Buy

Massive 6000 mAh battery life
Large 6.7" display for media
Excellent value at $203

Reasons to Avoid

May be bulky due to large battery
Average camera performance in low light

Full Specifications

Network Technology: GSM / HSPA / LTE

Launch Announced: 2017, August. Released 2017, October Status: Discontinued

Body Dimensions: 150.5 x 73.3 x 8.8 mm (5.93 x 2.89 x 0.35 in) Weight: 156 g (5.50 oz) SIM: Nano-SIM + Micro-SIM

Display Type: IPS LCD Size: 5.2 inches, 74.5 cm² (~67.6% screen-to-body ratio) Resolution: 720 x 1280 pixels, 16:9 ratio (~282 ppi density)

Platform OS: Android 7 (Nougat), upgradable to Android 8 (Oreo), ZenUI 4 Chipset: Qualcomm MSM8917 Snapdragon 425 (28 nm) CPU: Quad-core 1.4 GHz Cortex-A53 GPU: Adreno 308

Memory Card slot - microSDXC (dedicated slot) Internal: 16GB 2GB RAM, 32GB 3GB RAM
- : eMMC 5.1

Main Camera Dual: 13 MP, AF
5 MP, f/2.4, (depth) Features: LED flash, HDR, panorama Video: 1080p@30fps

Selfie camera Single: 8 MP Features: LED flash Video: 1080p@30fps

Sound Loudspeaker : Yes 3.5mm jack : Yes

Comms WLAN: Wi-Fi 802.11 b/g/n, Wi-Fi Direct Bluetooth: 4.1, A2DP, LE Positioning: GPS, GLONASS NFC: No Radio: FM radio USB: microUSB 2.0, OTG

Features Sensors: Fingerprint (front-mounted), accelerometer, gyro, proximity, compass

Battery Type: Li-Po 4100 mAh, non-removable Charging: Reverse wired

Misc Colors: Black, Gold, Silver Models: X00HD Price: About 180 EUR

Frequently Asked Questions

With its Dimensity 6300 chipset and 6GB of RAM, it handles everyday tasks and moderate gaming efficiently, though extremely graphic-intensive games may require lower settings.

Yes, to complement its massive 6000 mAh battery, it features standard fast charging capabilities to get you back up and running quickly.