Screen size
Go Flip 4Winner: 2.8"
OT 557—
Quick verdict
Go Flip 4 leads the measured specs 13-1.
Measured wins
Go Flip 4
13
spec wins
Overall winner
Ties
1
equal specs
OT 557
1
spec wins
Screen size
Technology
Go Flip 4
GSM / HSPA / LTE
OT 557
GSM
2G bands
Go Flip 4
GSM 850 / 1900
OT 557
GSM 900 / 1800 / 1900 , GSM 850 / 1800 / 1900 - Alcatel OT 557a
3G bands
Go Flip 4
HSDPA 850 / 1700(AWS) / 1900
OT 557
-
4G bands
Go Flip 4
2, 4, 5, 12, 25, 26, 41, 66, 71
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
3.5mm jack
SD card
Stereo speakers
OT 557
-
Speed
Go Flip 4
HSPA, LTE
OT 557
-
GPRS
Go Flip 4
-
OT 557
Class 10
EDGE
Go Flip 4
-
OT 557
No
Announced
Go Flip 4
2021, September
OT 557
2004, Q3
Status
Go Flip 4
Available. Released 2021, September
OT 557
Discontinued
Dimensions
Go Flip 4
107.3 x 55.6 x 19.9 mm (4.22 x 2.19 x 0.78 in)
OT 557
107.7 x 48.2 x 21.4 mm, 86 cc (4.24 x 1.90 x 0.84 in)
Weight
Go Flip 4
133 g (4.69 oz)
OT 557
93 g (3.28 oz)
SIM
Go Flip 4
Nano-SIM
OT 557
Mini-SIM
Type
Go Flip 4
TN TFT LCD
OT 557
CSTN, 65K colors
Size
Go Flip 4
2.8 inches, 24.3 cm2 (~40.7% screen-to-body ratio)
OT 557
Resolution
Go Flip 4
240 x 320 pixels, 4:3 ratio (~143 ppi density)
OT 557
128 x 160 pixels
Other
Go Flip 4
Second external TN TFT display, 1.44 inches, 128 x 128 pixels
OT 557
Downloadable logos
OS
Go Flip 4
KaiOS 3.0
OT 557
-
Chipset
Go Flip 4
QM215 Snapdragon 215 (28 nm)
OT 557
-
CPU
Go Flip 4
Quad-core 1.3 GHz Cortex-A53
OT 557
-
GPU
Go Flip 4
Adreno 308
OT 557
-
Card slot
Go Flip 4
microSDHC (dedicated slot)
OT 557
No
Internal
Go Flip 4
4GB 512MB RAM
OT 557
2MB
Phonebook
Go Flip 4
-
OT 557
500 x 20 fields, Photo call
Call records
Go Flip 4
-
OT 557
10 dialed, 10 received, 10 missed calls
Single
Go Flip 4
2 MP
OT 557
VGA
Video
Go Flip 4
480p@30fps
OT 557
No
Other
Go Flip 4
No
OT 557
No
Loudspeaker
Go Flip 4
Yes
OT 557
No
3.5mm jack
Go Flip 4
Yes
OT 557
No
Alert types
Go Flip 4
-
OT 557
Vibration; Downloadable polyphonic ringtones, composer
WLAN
Go Flip 4
Wi-Fi 802.11 b/g/n, hotspot
OT 557
No
Bluetooth
Go Flip 4
4.2, A2DP
OT 557
No
Positioning
Go Flip 4
GPS
OT 557
No
NFC
Go Flip 4
No
OT 557
-
Radio
Go Flip 4
FM radio
OT 557
No
USB
Go Flip 4
USB Type-C 2.0
OT 557
Infrared port
Go Flip 4
-
OT 557
Yes
Sensors
Go Flip 4
OT 557
Messaging
Go Flip 4
-
OT 557
SMS, EMS, MMS
Browser
Go Flip 4
-
OT 557
WAP 2.0/xHTML
Games
Go Flip 4
-
OT 557
SpeedDevils and GylosTale + downloadable
Java
Go Flip 4
-
OT 557
Yes
Other
Go Flip 4
-
OT 557
Video player Predictive text input SyncML Organizer Voice memo Voice dial
Type
Go Flip 4
Li-Ion 1850 mAh
OT 557
Removable Li-Ion 800 mAh battery
Stand-by
Go Flip 4
-
OT 557
Up to 285 h
Talk time
Go Flip 4
-
OT 557
Up to 7 h
Colors
Go Flip 4
Midnight Blue
OT 557
Models
Go Flip 4
4056W
OT 557
-
SAR
Go Flip 4
0.78 W/kg (head) 1.27 W/kg (body)
OT 557
-
Price
Go Flip 4
About 120 EUR
OT 557
-