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T-Mobile Sidekick 4G Specifications
Also known as T-Mobile T839 Sidekick 4G
T
Released 2011, Mar 15
Hummingbird
- 162g, 15mm thickness
- Android 2.2
- 1GB 512MB RAM storage, microSDHC slot
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Genze vs community
Genze and community ratings are both shown on a /10 scale. Genze is derived from internal model scores and price rules; community averages come from approved reviews (1–10 per category).
| Category | Genze /10 | Users /10 |
|---|---|---|
| Battery | 2.6 | — |
| Display | 4.8 | — |
| Performance | 3.1 | — |
| Camera | 4.8 | — |
| Body | 5.2 | — |
| Gaming | 3.9 | — |
| Software | 4.4 | — |
| Connectivity | 5.8 | — |
| Sensors | 7.2 | — |
| Software updates | — | — |
| Clean software | — | — |
| Heating | — | — |
| Media | — | — |
Community columns fill in when reviews are approved.
Quick specifications
3.5"
480x800 pixels
3MP
480p
512MB RAM
Hummingbird
1500mAh
Score breakdown
From specs, price tier & release year
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Full specifications
|
Network
|
Technology | GSM / HSPA |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 | |
| 3G bands | HSDPA 1700 / 2100 | |
| ??? | HSDPA 2100 | |
| Speed | HSPA 7.2/5.76 Mbps |
|
Launch
|
Announced | 2011, March. Released 2011, April 20 |
|---|---|---|
| Status | Discontinued |
|
Body
|
Dimensions | 127 x 61 x 15 mm (5.0 x 2.40 x 0.59 in) |
|---|---|---|
| Weight | 162 g (5.71 oz) | |
| Keyboard | QWERTY | |
| SIM | Mini-SIM | |
| ??? | Optical trackpad |
|
Display
|
Type | TFT |
|---|---|---|
| Size | 3.5 inches, 34.9 cm2 (~45.0% screen-to-body ratio) | |
| Resolution | 480 x 800 pixels, 5:3 ratio (~267 ppi density) |
|
Platform
|
OS | Android 2.2 (Froyo) |
|---|---|---|
| Chipset | Hummingbird | |
| CPU | 1.0 GHz Cortex-A8 | |
| GPU | PowerVR SGX540 |
|
Memory
|
Card slot | microSDHC (dedicated slot), 2 GB included |
|---|---|---|
| Internal | 1GB 512MB RAM |
|
Main Camera
|
Single | 3.15 MP, AF |
|---|---|---|
| Video | 480p@30fps |
|
Selfie camera
|
Single | VGA |
|---|---|---|
| Video |
|
Sound
|
Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes |
|
Comms
|
WLAN | Wi-Fi 802.11 b/g/n, DLNA, hotspot |
|---|---|---|
| Bluetooth | 3.0, A2DP | |
| Positioning | GPS, A-GPS | |
| Radio | N?? | |
| USB | microUSB 2.0 |
|
Features
|
Sensors | Accelerometer, proximity |
|---|---|---|
| Browser | HTML, Adobe Flash | |
| ??? | T-Mobile TV MP4/H.264 player MP3/WAV/eAAC+ player Organizer ThinkFree Office document editor , PDF viewer Voice memo Predictive text input |
|
Battery
|
Type | Removable Li-Ion 1500 mAh battery |
|---|---|---|
| Stand-by | Up to 456 h | |
| Talk time | Up to 6 h 30 min |
|
Misc
|
Colors | Matte black, Pearl magenta |
|---|---|---|
| SAR | 0.34 W/kg (head) 0.96 W/kg (body) | |
| Price | About 310 EUR |
T-Mobile Sidekick 4G official images
Frequently asked questions
Is T-Mobile Sidekick 4G worth buying in 2026?
T-Mobile Sidekick 4G is worth considering if its strengths match your priorities. Genze scores it 4.2/10 for its class. Read owner reviews and compare alternatives before you buy.
What is the battery capacity of T-Mobile Sidekick 4G?
T-Mobile Sidekick 4G has a 1,500 mAh battery. Real-world endurance depends on chipset efficiency, display, and usage.
What display size does T-Mobile Sidekick 4G have?
T-Mobile Sidekick 4G features a 3.50-inch display. See the Display section for resolution, refresh rate, and panel details.
What is the Genze score for T-Mobile Sidekick 4G?
Genze rates T-Mobile Sidekick 4G 4.2/10 based on performance, display, camera, battery, body build, and value versus phones in the same price tier.
Where do these specifications come from?
Specifications are compiled from official manufacturer and carrier sources, reviewed by our editors where possible, and enriched with Genze scores and community feedback. GenZe Rank is not responsible for errors or omissions. Regional variants, firmware updates, and retailer listings may differ from what is shown here—always confirm critical details on the official product page before you buy.
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