T-Mobile Sidekick 4G vs ZTE V889M

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

    Sidekick 4G: 2.6 mm narrower

    Sidekick 4G:
    61 mm
    V889M:
    63.6 mm
  • Screen diagonal

    Sidekick 4G: 0.5 in smaller diagonal

    Sidekick 4G:
    3.5 in
    V889M:
    4 in
  • Depth

    V889M: 3.1 mm thinner

    Sidekick 4G:
    15 mm
    V889M:
    11.9 mm
  • Height

    V889M: 6.5 mm shorter

    Sidekick 4G:
    127 mm
    V889M:
    120.5 mm
  • Release year

    Sidekick 4G:
    2011
    V889M:
    2012

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. Sidekick 4G

    Height:
    127 mm +6.5 mm versus V889M
    Width:
    61 mm
    Depth:
    15 mm +3.1 mm versus V889M
    Weight:
    162 g
  2. 2. V889M

    Height:
    120.5 mm
    Width:
    63.6 mm +2.6 mm versus Sidekick 4G
    Depth:
    11.9 mm
    Weight:
    Unknown

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. Sidekick 4G

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    5:3
    Approximate rectangular screen area:
    34.9 cm²
  2. 2. V889M

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

V889M has approximately 30.6% more rectangular screen area than Sidekick 4G.

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.

Sidekick 4G: Original memory entry

1 GB · 512 MB RAM

V889M: Original memory entry

4 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. Sidekick 4G

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

2. V889M

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

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. Sidekick 4G

    1500 mAh

  2. 2. V889M

    1650 mAh

    +150 mAh versus Sidekick 4G

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. Sidekick 4G2. V889M

Everyday essentials
Everyday essentials — specifications for Sidekick 4G, V889M.
SpecificationSidekick 4GV889M
Dimensions (HxWxD)
  • 127 Х 61 Х 15 mm
  • 120.5 Х 63.6 Х 11.9 mm
Weight
  • 162 g
  • 0 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 4" inch
Screen resolution
  • 480 x 800 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 1 GB
  • 512 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB (dedicated slot)
  • 2 GB included
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1500 mAh
  • Removable Li-Ion
  • 1650 mAh
  • Removable Li-Ion
Operating system OS
  • Android 2.2 (Froyo)
  • Android 4.0 (Ice Cream Sandwich)
Chipset
  • Hummingbird
  • Mediatek MT6577 (40 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for Sidekick 4G, V889M.
SpecificationSidekick 4GV889M
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 16M
Unknown
Screen area
  • 34.9 cm2
  • 45.5 cm2
Screen format
  • 5:3 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 45.0%
  • 59.4%
PPI /points per inch/
  • 267 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for Sidekick 4G, V889M.
SpecificationSidekick 4GV889M
Rear camera, main
  • 3.15 MP
  • Single
  • 5 MP
  • Single
Camera specs
  • 3.15 MP
  • AF
  • 5 MP
  • AF
Video
  • 480p@30fps
  • Yes
Front camera, selfie
  • 0.3 MP
  • Single
  • 0 MP,
Specifications
  • VGA
Unknown
Performance
Performance — specifications for Sidekick 4G, V889M.
SpecificationSidekick 4GV889M
Processor CPU
  • 1.0 GHz Cortex-A8
  • Dual-core 1.0 GHz Cortex-A9
Graphics processor GPU
  • PowerVR SGX540
  • PowerVR SGX531u
General specs
General specs — specifications for Sidekick 4G, V889M.
SpecificationSidekick 4GV889M
Release date
  • 2011
  • March
  • 2012
  • November
Colors
  • Matte Black
  • Pearl magenta
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer.
  • 310 EUR
  • 100 EUR
Battery life
  • Stand by time- Up to 456 h Talking time- Up to 6 h 30 min
  • Stand by time- Up to 450 h (3G) Talking time- Up to 8 h (3G)
Communication and Connectivity
Communication and Connectivity — specifications for Sidekick 4G, V889M.
SpecificationSidekick 4GV889M
SIM card
  • Mini-SIM
  • Dual SIM (Mini-SIM)
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
  • Show all network frequencies: -2G - GSM 900 / 1800 - SIM 1 & SIM 2
Speed
  • HSPA 7.2/5.76 Mbps
  • HSPA
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • DLNA
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • Yes
  • with A-GPS
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 2.1
  • A2DP
Harmful irradiation
  • SAR - 0.34 W/kg (head) 0.96 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for Sidekick 4G, V889M.
SpecificationSidekick 4GV889M
Radio
  • Nо
Unknown
Other features
Other features — specifications for Sidekick 4G, V889M.
SpecificationSidekick 4GV889M
Dop
  • 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
  • Sensors Accelerometer
  • gyro
  • proximity
  • compass