Asus Zenfone Max Pro (M2) ZB631KL The Asus Zenfone Max Pro (M2) ZB631KL is a balanced everyday device, powered by the Qualcomm SDM660 Snapdragon 660 (14 nm), suited to light-to-moderate use, with a 5,000 mAh battery for solid all-day use (2018).
2018 · Mid-range · Android 8.1 (Oreo) ⓘ Grades compare this device against others in its own market segment (Mid-range), not against every device on the site.
⚡ Quick Specs
Size 6.26" · 157.9 x 75.5 x 8.5 mm (6.22 x 2.97 x 0.33 in)
Chipset Qualcomm SDM660 Snapdragon 660 (14 nm)
RAM 3GB | 4GB | 6GB
Storage 128GB | 32GB | 64GB
Main Camera 12 MP · LED flash
⚖️ Compare With
Asus Zenfone Max Pro (M2) ZB631KL vs Asus Zenfone 4 Pro ZS551KL Asus Zenfone Max Pro (M2) ZB631KL vs Asus Zenfone 3 Zoom ZE553KL Asus Zenfone Max Pro (M2) ZB631KL vs Asus Zenfone Max Pro (M1) ZB601KL/ZB602K Asus Zenfone Max Pro (M2) ZB631KL vs Asus Zenfone 4 Selfie Pro ZD552KL Asus Zenfone Max Pro (M2) ZB631KL vs Asus Zenfone 5z ZS620KL Asus Zenfone Max Pro (M2) ZB631KL vs Asus ROG Phone ZS600KL
✓︎ Pros
✓ Long 5,000 mAh battery, easily lasts a full day
✓ Sharp 403 PPI screen
✓ 6.26" IPS LCD display with accurate colours and wide viewing angles
✓ 3.5mm headphone jack for wired audio without adapters
⊗ Cons
✗ Entry-level Qualcomm SDM660 Snapdragon 660 (14 nm) — struggles with demanding apps
✗ Only 3GB RAM — apps may reload frequently
✗ 12 MP main camera — basic quality, limited for photography enthusiasts
⚠️ Not ideal for
Mobile gaming Heavy multitasking Multitasking Photography
ℹ️ Overview
Announced
2018, December. Released 2018, December
⚙️ Performance
Chipset
Qualcomm SDM660 Snapdragon 660 (14 nm)
Mid-range — handles daily tasks well
CPU
Octa-core (4x2.2 GHz Kryo 260 Gold & 4x1.8 GHz Kryo 260 Silver)
OS
Android 8.1 (Oreo), upgradable to Android 9.0 (Pie)
RAM
3GB | 4GB | 6GB
Apps may reload frequently
💻 Display
Sharpness
403 ppi
Sharp and comfortable to read
Panel
IPS LCD
IPS: accurate colours, good brightness
📷 Camera
Main Camera
12 MP
Capable for everyday photos
Main Video
4K@30fps, 1080p@30/60fps, gyro-EIS
🔋 Battery
Capacity
5,000 mAh
Solid day-to-day battery life
Type
Li-Po 5000 mAh, non-removable
📱 Design & Build
Weight
175g
Balanced size and weight
Dimensions
157.9 x 75.5 x 8.5 mm (6.22 x 2.97 x 0.33 in)
Build
Glass front (Gorilla Glass 6), plastic back, plastic frame
Sensors
Fingerprint (rear-mounted), accelerometer, gyro, proximity, compass
📶 Network
Speed
HSPA 42.2/5.76 Mbps, LTE (3CA) Cat9 450/50 Mbps
2G Bands
GSM 850 / 900 / 1800 / 1900
📡 Connectivity
WiFi
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
GPS
GPS, GLONASS, BDS, GALILEO, QZSS
❓ Frequently Asked Questions
Does the Asus Zenfone Max Pro (M2) ZB631KL support 5G?› No, the Asus Zenfone Max Pro (M2) ZB631KL does not support 5G — it supports GSM / HSPA / LTE.
Does the Asus Zenfone Max Pro (M2) ZB631KL have NFC?› Yes, the Asus Zenfone Max Pro (M2) ZB631KL has NFC for contactless payments and pairing.
Does the Asus Zenfone Max Pro (M2) ZB631KL support wireless charging?› No, the Asus Zenfone Max Pro (M2) ZB631KL charges via cable only — no wireless charging.
Does the Asus Zenfone Max Pro (M2) ZB631KL support fast charging?› Yes, up to 10W (10W wired).
Does the Asus Zenfone Max Pro (M2) ZB631KL have expandable storage?› Yes, the Asus Zenfone Max Pro (M2) ZB631KL supports microSDXC expandable storage.
Does the Asus Zenfone Max Pro (M2) ZB631KL support dual SIM?› The Asus Zenfone Max Pro (M2) ZB631KL SIM configuration: Nano-SIM + Nano-SIM.
Does the Asus Zenfone Max Pro (M2) ZB631KL have a headphone jack?› Yes, the Asus Zenfone Max Pro (M2) ZB631KL has a 3.5mm headphone jack.
Does the Asus Zenfone Max Pro (M2) ZB631KL have stereo speakers?› Speaker setup: Yes.
What Android version does the Asus Zenfone Max Pro (M2) ZB631KL ship with?› The Asus Zenfone Max Pro (M2) ZB631KL ships with Android 8.1 (Oreo), upgradable to Android 9.0 (Pie).
What type of USB port does the Asus Zenfone Max Pro (M2) ZB631KL use?› The Asus Zenfone Max Pro (M2) ZB631KL uses microUSB 2.0, OTG.
Does the Asus Zenfone Max Pro (M2) ZB631KL support Wi-Fi 7?› The Asus Zenfone Max Pro (M2) ZB631KL supports Wi-Fi 802.11 b/g/n, Wi-Fi Direct.
Does the Asus Zenfone Max Pro (M2) ZB631KL support Bluetooth LE Audio?› The Asus Zenfone Max Pro (M2) ZB631KL has 5.0, A2DP, LE.
