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Ulefone Armor X

The Ulefone Armor X is a budget-focused device, powered by the Mediatek MT6739 (28 nm), built for basic everyday tasks, backed by a large 5,500 mAh battery for multi-day use (2018).

2018 · Lower-mid-range · Android 8.1 (Oreo)
Overall
A+
Performance
A
Display
A+
Battery
A+
Camera
B+
Charging
C
Software
A+
ⓘ Grades compare this device against others in its own market segment (Budget), not against every device on the site.
⚡ Quick Specs
Size5.5" · 163 x 76.6 x 13.9 mm (6.42 x 3.02 x 0.55 in)
ChipsetMediatek MT6739 (28 nm)
RAM2GB
Storage16GB
Main Camera8 MP · Dual-LED flash
⚖️ Compare With
✓︎ Pros
Long 5,500 mAh battery, easily lasts a full day
5.5" IPS LCD display with accurate colours and wide viewing angles
3.5mm headphone jack for wired audio without adapters
⊗ Cons
Basic Mediatek MT6739 (28 nm) for simple tasks only
Only 2GB RAM — apps may reload frequently
8 MP main camera — basic quality, limited for photography enthusiasts
Heavy at 256g — noticeable in pocket over long periods
⚠️ Not ideal for
GamingMultitaskingMultitaskingPhotography
ℹ️ Overview
Status
Discontinued
Announced
2018, April. Released 2018, April
⚙️ Performance
Chipset
Mediatek MT6739 (28 nm)
Entry-level — basic tasks only
CPU
Quad-core 1.5 GHz Cortex-A53
GPU
PowerVR GE8100
OS
Android 8.1 (Oreo)
RAM
2GB
Apps may reload frequently
Storage
16GB
Memory Card
microSDXC
💻 Display
Size
5.5"
Resolution
720×1440
Sharpness
293 ppi
Adequate sharpness for daily use
Panel
IPS LCD
IPS: accurate colours, good brightness
📷 Camera
Main Camera
8 MP
Basic quality — limited flexibility
Main Video
720p@30fps
Main Camera Features
Dual-LED flash, HDR
Selfie
5 MP
Selfie Video
720p@30fps
🔋 Battery
Capacity
5,500 mAh
Excellent endurance — easily lasts a full day
Type
Li-Po 5500 mAh
Charging
10W wired
📱 Design & Build
Weight
256g
On the heavier side — noticeable in pocket
Dimensions
163 x 76.6 x 13.9 mm (6.42 x 3.02 x 0.55 in)
SIM
Nano-SIM + Nano-SIM
Colors
Dark Gray, Rose Gold
Sensors
Fingerprint (side-mounted), accelerometer, proximity, compass
📶 Network
Technology
GSM / HSPA / LTE
Speed
HSPA 21.1/5.76 Mbps, LTE Cat4 150/75 Mbps
2G Bands
GSM 850 / 900 / 1800 / 1900
3G Bands
HSDPA 850 / 900 / 2100
📡 Connectivity
WiFi
Wi-Fi 802.11 a/b/g/n, dual-band
Bluetooth
4.1, A2DP
NFC
Yes
GPS
GPS
USB
microUSB 2.0
🔊 Sound
3.5mm Jack
Yes
Loudspeaker
Yes
Radio
Stereo FM radio, RDS, recording
❓ Frequently Asked Questions
No, the Ulefone Armor X does not support 5G — it supports GSM / HSPA / LTE.
Yes, the Ulefone Armor X has NFC for contactless payments and pairing.
No, the Ulefone Armor X charges via cable only — no wireless charging.
Yes, up to 10W (10W wired).
The Ulefone Armor X is rated IP68 — IP68 dust tight and water resistant (immersible up to 1.5m for 30 min) Drop resistant up to 1.2m MIL-STD-810G compliant.
Yes, the Ulefone Armor X supports microSDXC expandable storage.
The Ulefone Armor X SIM configuration: Nano-SIM + Nano-SIM.
Yes, the Ulefone Armor X has a 3.5mm headphone jack.
Speaker setup: Yes.
The Ulefone Armor X ships with Android 8.1 (Oreo).
The Ulefone Armor X uses microUSB 2.0.
The Ulefone Armor X supports Wi-Fi 802.11 a/b/g/n, dual-band.
The Ulefone Armor X has 4.1, A2DP.

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