Screen size
3 (2025)Winner: 6.5"
OT-C825—
Quick verdict
3 (2025) leads the measured specs 15-1.
Measured wins
3 (2025)
15
spec wins
Overall winner
Ties
3
equal specs
OT-C825
1
spec wins
Screen size
Technology
3 (2025)
GSM / HSPA / LTE
OT-C825
GSM
2G bands
3 (2025)
GSM 850 / 900 / 1800 / 1900
OT-C825
GSM 900 / 1800 / 1900 , GSM 850 / 1800 / 1900 - US version
3G bands
3 (2025)
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
OT-C825
-
4G bands
3 (2025)
LTE
Resolution
Refresh rate
Peak brightness
Pixel density
CPU speed
RAM
Storage
Main camera
Front camera
Battery
Wired charging
Weight
Thickness
IP rating
Wi‑Fi
Bluetooth
USB
equal specs5G support
equal specsNFC
3.5mm jack
SD card
equal specsStereo speakers
OT-C825
-
Speed
3 (2025)
HSPA, LTE
OT-C825
-
GPRS
3 (2025)
-
OT-C825
Class 10
EDGE
3 (2025)
-
OT-C825
No
Announced
3 (2025)
2025, May 21
OT-C825
2007, February
Status
3 (2025)
Available. Released 2025, June
OT-C825
Discontinued
Dimensions
3 (2025)
164.4 x 75.8 x 8.8 mm (6.47 x 2.98 x 0.35 in)
OT-C825
96 x 50 x 18 mm (3.78 x 1.97 x 0.71 in)
Weight
3 (2025)
185 g (6.53 oz)
OT-C825
99g (3.49 oz)
Build
3 (2025)
Glass front, plastic back, plastic frame
OT-C825
-
SIM
3 (2025)
Nano-SIM + Nano-SIM
OT-C825
Mini-SIM
Type
3 (2025)
IPS LCD, 400 nits
OT-C825
TFT, 256K colors
Size
3 (2025)
6.52 inches, 102.6 cm2 (~82.4% screen-to-body ratio)
OT-C825
Resolution
3 (2025)
576 x 1280 pixels, 20:9 ratio (~215 ppi density)
OT-C825
176 x 220 pixels
Other
3 (2025)
-
OT-C825
Embedded images and animations
OS
3 (2025)
Android 15 (Go edition)
OT-C825
-
Chipset
3 (2025)
Unisoc SC9863A1 (22 nm)
OT-C825
-
CPU
3 (2025)
Octa-core (4x1.6 GHz Cortex-A55 & 4x1.2 GHz Cortex-A55)
OT-C825
-
GPU
3 (2025)
IMG8322
OT-C825
-
Card slot
3 (2025)
microSDXC
OT-C825
microSD (dedicated slot)
Internal
3 (2025)
64GB 3GB RAM, 128GB 4GB RAM
OT-C825
10MB
Other
3 (2025)
eMMC 5.1
OT-C825
-
Phonebook
3 (2025)
-
OT-C825
800 entries
Call records
3 (2025)
-
OT-C825
20 dialed, 20 received, 20 missed calls
Single
3 (2025)
8 MP, f/1.8, (wide), 1/4.0", 1.12µm, AF or 13 MP, AF (region dependent)
OT-C825
1.3 MP
Features
3 (2025)
LED flash
OT-C825
-
Video
3 (2025)
1080p@30fps
OT-C825
QCIF
Single
3 (2025)
5 MP, f/2.2, (wide), 1/5.0", 1.12µm
OT-C825
-
Video
3 (2025)
Yes
OT-C825
-
Other
3 (2025)
-
OT-C825
No
Loudspeaker
3 (2025)
Yes
OT-C825
No
3.5mm jack
3 (2025)
Yes
OT-C825
No
Alert types
3 (2025)
-
OT-C825
Vibration; Polyphonic(64), MP3, MPEG4, AAC ringtones
WLAN
3 (2025)
Wi-Fi 802.11 b/g/n, Wi-Fi Direct
OT-C825
No
Bluetooth
3 (2025)
4.2, A2DP
OT-C825
2.0, A2DP
Positioning
3 (2025)
GPS, GLONASS, GALILEO, BDS
OT-C825
No
NFC
3 (2025)
No
OT-C825
-
Radio
3 (2025)
Unspecified
OT-C825
No
USB
3 (2025)
USB Type-C 2.0, OTG
OT-C825
2.0
Sensors
3 (2025)
Fingerprint (side-mounted), accelerometer, gyro, proximity, compass
OT-C825
Messaging
3 (2025)
-
OT-C825
SMS, MMS
Browser
3 (2025)
-
OT-C825
WAP 2.0
Games
3 (2025)
-
OT-C825
2
Java
3 (2025)
-
OT-C825
Yes
Other
3 (2025)
-
OT-C825
MP3/M4a/AAC/AAC+ player(optional) 3GP/MP4 player Conference call up to 5 persons ID3 Tag Support Flight Mode Karaoke PC Software Suite Organizer Voice memo
Type
3 (2025)
5010 mAh
OT-C825
Removable Li-Ion 700 mAh battery
Charging
3 (2025)
10W wired
OT-C825
-
Stand-by
3 (2025)
-
OT-C825
Up to 300 h
Talk time
3 (2025)
-
OT-C825
Up to 6 h
Colors
3 (2025)
Space Gray, Teal Blue
OT-C825
Brown
Models
3 (2025)
T451H
OT-C825
-