LG KT770 vs T-Mobile Sidekick 4G

Compare recorded specifications, size and practical differences.

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Key differences

Calculated from recorded specifications using minimum difference thresholds. These are differences, not an overall ranking. For three phones, numeric highlights compare the two extremes.

  • Width

    KT770: 9.5 mm narrower

    KT770:
    51.5 mm
    Sidekick 4G:
    61 mm
  • Screen diagonal

    KT770: 0.7 in smaller diagonal

    KT770:
    2.8 in
    Sidekick 4G:
    3.5 in
  • Depth

    Sidekick 4G: 0.8 mm thinner

    KT770:
    15.8 mm
    Sidekick 4G:
    15 mm
  • Height

    KT770: 16 mm shorter

    KT770:
    111 mm
    Sidekick 4G:
    127 mm
  • Release year

    KT770:
    2009
    Sidekick 4G:
    2011

Physical size

Relative size, not calibrated actual size. Front and side outlines share one scale and a bottom baseline. Generic outlines use recorded body dimensions, excluding camera bumps.

  1. 1. KT770

    Height:
    111 mm
    Width:
    51.5 mm
    Depth:
    15.8 mm +0.8 mm versus Sidekick 4G
    Weight:
    Unknown
  2. 2. Sidekick 4G

    Height:
    127 mm +16 mm versus KT770
    Width:
    61 mm +9.5 mm versus KT770
    Depth:
    15 mm
    Weight:
    162 g

Screen size

Approximate rectangular screens calculated from recorded diagonal and aspect ratio at one relative scale. Rounded corners and cutouts are not subtracted. These are not phone outlines or calibrated actual sizes.

  1. 1. KT770

    Screen diagonal:
    2.8 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    22.3 cm²
  2. 2. Sidekick 4G

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²

Sidekick 4G has approximately 56.2% more rectangular screen area than KT770.

Memory variants

Each row compares the same storage capacity. Cells show recorded RAM alternatives, not combined maxima. Not recorded does not mean unavailable in every market.

No unambiguous storage/RAM pairings are recorded. See the original specifications below.

KT770: Original memory entry

120 MB

Sidekick 4G: Original memory entry

1 GB · 512 MB RAM

Practical features

Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.

1. KT770

NFC:
Unknown
Headphone jack:
No
Memory card support:
See details microSD · up to 16 GB (dedicated slot)

2. Sidekick 4G

NFC:
Unknown
Headphone jack:
Yes
Memory card support:
See details microSD · up to 32 GB (dedicated slot) · 2 GB included

Battery capacity

Capacity is not battery life. No endurance test is implied.

Recorded battery capacity

Bars start at zero and share a scale within this chart.

  1. 1. KT770

    950 mAh

  2. 2. Sidekick 4G

    1500 mAh

    +550 mAh versus KT770

Specifications

Open a section for more detail. On narrow screens, swipe sideways or use Left/Right arrow keys while the table is focused. Unknown means missing data, not No. Recorded zero values are shown as recorded.

1. KT7702. Sidekick 4G

Everyday essentials
Everyday essentials — specifications for KT770, Sidekick 4G.
SpecificationKT770Sidekick 4G
Dimensions (HxWxD)
  • 111 Х 51.5 Х 15.8 mm
  • 127 Х 61 Х 15 mm
Weight
  • 0 g
  • 162 g
Technology
  • TFT
  • TFT
Screen size
  • 2.8" inch
  • 3.5" inch
Screen resolution
  • 240 x 400 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 120 MB
  • 1 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 16 GB (dedicated slot)
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
Battery Capacity is not battery life. No endurance test is implied.
  • 950 mAh
  • Removable Li-Ion
  • 1500 mAh
  • Removable Li-Ion
Operating system OS
  • Symbian OS 9.3 Series60 rel. 3.2.3
  • Android 2.2 (Froyo)
Chipset Unknown
  • Hummingbird
Headphone jack
  • No
  • Yes
Display
Display — specifications for KT770, Sidekick 4G.
SpecificationKT770Sidekick 4G
Touchscreen Unknown
  • capacitive touchscreen
Display colors
  • 256K
  • 16M
Screen area
  • 22.3 cm2
  • 34.9 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 39.0%
  • 45.0%
PPI /points per inch/
  • 167 PPI
  • 267 PPI
Camera and Video
Camera and Video — specifications for KT770, Sidekick 4G.
SpecificationKT770Sidekick 4G
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • AF
  • 3.15 MP
  • AF
Functions
  • LED flash
Unknown
Video
  • 480p@30fps
  • 480p@30fps
Front camera, selfie
  • 0.3 MP
  • Single
  • 0.3 MP
  • Single
Specifications
  • VGA videocall camera
  • VGA
Performance
Performance — specifications for KT770, Sidekick 4G.
SpecificationKT770Sidekick 4G
Processor CPU Unknown
  • 1.0 GHz Cortex-A8
Graphics processor GPU Unknown
  • PowerVR SGX540
General specs
General specs — specifications for KT770, Sidekick 4G.
SpecificationKT770Sidekick 4G
Release date
  • 2009
  • February
  • 2011
  • March
Colors
  • Black
  • Matte Black
  • Pearl magenta
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 310 EUR
Battery life Unknown
  • Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
Communication and Connectivity
Communication and Connectivity — specifications for KT770, Sidekick 4G.
SpecificationKT770Sidekick 4G
SIM card
  • Mini-SIM
  • Mini-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 7.2/0.384 Mbps
  • HSPA 7.2/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • Proprietary
  • microUSB 2.0
Bluetooth
  • 2.0
  • 3.0
  • A2DP
Harmful irradiation
  • SAR - 0.36 W/kg (head) 0.75 W/kg (body)
  • SAR - 0.34 W/kg (head) 0.96 W/kg (body)
Music and Audio
Music and Audio — specifications for KT770, Sidekick 4G.
SpecificationKT770Sidekick 4G
Radio
  • No
  • Nо
Others
  • Touch-sensitive navigation keys
Unknown
Other features
Other features — specifications for KT770, Sidekick 4G.
SpecificationKT770Sidekick 4G
Dop
  • WMV/RV/MP4/3GP player -MP3/WMA/WAV/RA/AAC/M4A player -Organizer -Document viewer (Word
  • Excel
  • PowerPoint
  • PDF) -Voice memo -Predictive text input
  • Sensors Accelerometer
  • proximity - T-Mobile TV -MP4/H.264 player -MP3/WAV/eAAC+ player -Organizer -ThinkFree Office document editor
  • PDF viewer -Voice memo -Predictive text input - Optical trackpad - Also known as T-Mobile T839 Sidekick 4G