Screen size
BT1031.9"
C17Winner: 6.5"+71%
Quick verdict
C17 leads the measured specs 14-3.
Measured wins
BT103
3
spec wins
Ties
2
equal specs
C17
14
spec wins
Overall winner
Screen size
Technology
BT103
No cellular connectivity
C17
GSM / HSPA / LTE
2G bands
BT103
N/A
C17
GSM 850 / 900 / 1800 / 1900
3G bands
BT103
N/A
C17
HSDPA 850 / 900 / 1700(AWS) / 1900 / 2100
4G bands
BT103
N/A
C17
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
5G support
equal specsNFC
equal specs3.5mm jack
SD card
Stereo speakers
1, 2, 3, 4, 5, 7, 8, 12, 17, 19, 20, 25, 26, 28, 66
Speed
BT103
No
C17
HSPA, LTE
GPRS
BT103
No
C17
-
EDGE
BT103
No
C17
-
Announced
BT103
2024, June
C17
2025, December
Status
BT103
Available. Released 2024, June
C17
Available. Released 2026, January
Dimensions
BT103
49.5 x 40 x 10.9 mm (1.95 x 1.57 x 0.43 in)
C17
163.6 x 75.9 x 9.3 mm (6.44 x 2.99 x 0.37 in)
Weight
BT103
100 g (3.53 oz)
C17
198 g (6.98 oz)
SIM
BT103
No
C17
Nano-SIM + Nano-SIM
Type
BT103
TFT LCD
C17
IPS LCD, 450 nits
Size
BT103
1.91 inches
C17
6.52 inches, 102.6 cm2 (~82.7% screen-to-body ratio)
Resolution
BT103
320 x 380 pixels (~260 ppi density)
C17
540 x 1200 pixels, 20:9 ratio (~202 ppi density)
Protection
BT103
Tempered glass
C17
Sharp glass
OS
BT103
Proprietary OS
C17
Android 16
Chipset
BT103
-
C17
Unisoc T310 (12 nm)
CPU
BT103
-
C17
Quad-core (1x2.0 GHz Cortex-A75 & 3x1.8 GHz Cortex-A55)
GPU
BT103
-
C17
PowerVR GE8300
Card slot
BT103
No
C17
microSDXC (uses shared SIM slot)
Internal
BT103
-
C17
128GB 4GB RAM
Other
BT103
No
C17
-
Loudspeaker
BT103
No
C17
Yes
3.5mm jack
BT103
No
C17
Yes
WLAN
BT103
No
C17
Wi-Fi 802.11 a/b/g/n/ac, dual-band
Bluetooth
BT103
5.2
C17
5.0, A2DP, LE
Positioning
BT103
No
C17
GPS, GALILEO, GLONASS, BDS
NFC
BT103
No
C17
No
Radio
BT103
No
C17
FM radio
USB
BT103
No
C17
USB Type-C
Sensors
BT103
Accelerometer, heart rate, SpO2
C17
Fingerprint (side-mounted), accelerometer, proximity
Type
BT103
300 mAh
C17
Li-Po 5000 mAh
Charging
BT103
-
C17
10W wired
Colors
BT103
Black, White
C17
Orange, White, Blue
Single
BT103
-
C17
13 MP, f/2.2, (wide), 1/3.06"
Features
BT103
-
C17
LED flash, HDR, panorama
Video
BT103
-
C17
1080p@30fps
Single
BT103
-
C17
5 MP, f/2.2, (wide), 1/5.0"
Video
BT103
-
C17
1080p@30fps