Skip to content
0
Sendo M550
View Specs
Phone Insight
Full Specifications September 4, 2026
Sendo M550
Sendo · 2003

Sendo M550

Sendo M550 phone. Announced Q2 2003. Features CSTN, 4096 colors display, 750 mAh battery.

Storage No card slot
Battery 750 mAh
OS Feature phone
Build 77g, 20mm thickness

Launch

Announced 2003, Q2
Status Discontinued

Display

Type CSTN, 4096 colors
Resolution 128 x 128 pixels, 1:1 ratio
displayother Second display, inverse, 96 x 64 pixels

Memory

Card slot No
Phonebook 500
Call records 10 dialed, 10 received, 10 missed calls
memoryother Dynamic memory

Camera

cam1modules No

Body

Dimensions 82 x 45 x 20 mm, 68 cc (3.23 x 1.77 x 0.79 in)
Weight 77 g (2.72 oz)
SIM Mini-SIM

Battery

Type Removable Li-Ion battery
Stand-by 180 h - 400 h
Talk time 2 h - 5 h

Sound

Loudspeaker No
Alert types Vibration; Downloadable polyphonic ringtones
3.5mm jack No

Comms

WLAN No
Bluetooth No
Positioning No
Radio No

Network

Technology GSM
2G bands GSM 900 / 1800
GPRS Class 8
EDGE No

Features

Messaging SMS, EMS
Browser WAP 1.2.1
Clock Yes
Alarm Yes
Games 3 - Ten Pin ,KombatClub and Splat
Java No
featuresother Predictive text input
Phone Insight phoneinsight.org/ Printed September 4, 2026

For live pricing, photos, and comparisons, visit phoneinsight.org/phones/sendo-m550/

In depth

Full specifications

Announced 2003, Q2
Status Discontinued
Type CSTN, 4096 colors
Resolution 128 x 128 pixels, 1:1 ratio
displayother Second display, inverse, 96 x 64 pixels
Card slot No
Phonebook 500
Call records 10 dialed, 10 received, 10 missed calls
memoryother Dynamic memory
cam1modules No
Dimensions 82 x 45 x 20 mm, 68 cc (3.23 x 1.77 x 0.79 in)
Weight 77 g (2.72 oz)
SIM Mini-SIM
Type Removable Li-Ion battery
Stand-by 180 h - 400 h
Talk time 2 h - 5 h
Loudspeaker No
Alert types Vibration; Downloadable polyphonic ringtones
3.5mm jack No
WLAN No
Bluetooth No
Positioning No
Radio No
Technology GSM
2G bands GSM 900 / 1800
GPRS Class 8
EDGE No
Messaging SMS, EMS
Browser WAP 1.2.1
Clock Yes
Alarm Yes
Games 3 - Ten Pin ,KombatClub and Splat
Java No
featuresother Predictive text input
PhoneInsight Benchmark
11.5/100
Basic

A specs-derived composite score, not a lab benchmark -- useful for ranking and comparison.

Processor 7
Display 38
Battery 25.4
239,889 hitsTotal views
Keep exploring

You might also like

Nokia 130 Music
Nokia

Nokia 130 Music

22.8 Benchmark
8GB RAM Unisoc 6531F
Sonim XP100
Sonim

Sonim XP100

28.5 Benchmark
64GB RAM Unisoc T127
Nokia 3210
Nokia

Nokia 3210

27 Benchmark
64GB RAM Unisoc T107
HMD 2660 Flip
HMD

HMD 2660 Flip

26.7 Benchmark
64GB RAM Unisoc T107