Posh Primo Plus C353 vs T-Mobile Sidekick LX
Compare recorded specifications, size and practical differences.
T-Mobile Sidekick LX
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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.
-
Weight
Primo Plus C353: 65.9 g lighter
- Primo Plus C353:
- 96.1 g
- Sidekick LX:
- 162 g
-
Width
Sidekick LX: 3 mm narrower
- Primo Plus C353:
- 63 mm
- Sidekick LX:
- 60 mm
-
Screen diagonal
Sidekick LX: 0.5 in smaller diagonal
- Primo Plus C353:
- 3.5 in
- Sidekick LX:
- 3 in
-
Depth
Primo Plus C353: 11.6 mm thinner
- Primo Plus C353:
- 10.4 mm
- Sidekick LX:
- 22 mm
-
Height
Primo Plus C353: 13.5 mm shorter
- Primo Plus C353:
- 116 mm
- Sidekick LX:
- 129.5 mm
-
Release year
- Primo Plus C353:
- 2015
- Sidekick LX:
- 2007
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. Primo Plus C353
- Height:
- 116 mm
- Width:
- 63 mm +3 mm versus Sidekick LX
- Depth:
- 10.4 mm
2. Sidekick LX
- Height:
- 129.5 mm +13.5 mm versus Primo Plus C353
- Width:
- 60 mm
- Depth:
- 22 mm +11.6 mm versus Primo Plus C353
Weight
Bars start at zero and share a scale within this chart.
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. Primo Plus C353
- Screen diagonal:
- 3.5 in
- Aspect ratio (height:width):
- 3:2
- Approximate rectangular screen area:
- 36.5 cm²
2. Sidekick LX
- Screen diagonal:
- 3 in
- Aspect ratio (height:width):
- 5:3
- Approximate rectangular screen area:
- 25.6 cm²
Primo Plus C353 has approximately 42.4% more rectangular screen area than Sidekick LX.
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.
Primo Plus C353: Original memory entry
512 MB · 256 MB RAM
Sidekick LX: Original memory entry
64 MB RAM · 64 MB ROM
Practical features
Explicit Yes and No values are shown directly. Qualified or regional records retain their details. Unknown means the record is missing.
1. Primo Plus C353
- NFC:
- Unknown
- Headphone jack:
- Yes
- Memory card support:
- See details microSD · up to 32 GB
2. Sidekick LX
- NFC:
- Unknown
- Headphone jack:
- No
- Memory card support:
- See details microSD (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.
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.
Everyday essentials
| Specification | Primo Plus C353 | Sidekick LX |
|---|---|---|
| Dimensions (HxWxD) |
|
|
| Weight |
|
|
| Technology | Unknown |
|
| Screen size |
|
|
| Screen resolution |
|
|
| Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded. |
|
|
| Memory card support |
|
|
| Battery Capacity is not battery life. No endurance test is implied. |
|
|
| Operating system OS |
|
|
| Chipset |
|
Unknown |
| Headphone jack |
|
|
Display
| Specification | Primo Plus C353 | Sidekick LX |
|---|---|---|
| Touchscreen |
|
Unknown |
| Display colors | Unknown |
|
| Screen area |
|
|
| Screen format |
|
|
| Screen to body ratio |
|
|
| PPI /points per inch/ |
|
|
Camera and Video
| Specification | Primo Plus C353 | Sidekick LX |
|---|---|---|
| Rear camera, main |
|
|
| Camera specs | Unknown |
|
| Video |
|
|
| Front camera, selfie |
|
|
| Specifications |
|
Unknown |
Performance
| Specification | Primo Plus C353 | Sidekick LX |
|---|---|---|
| Processor CPU |
|
Unknown |
General specs
| Specification | Primo Plus C353 | Sidekick LX |
|---|---|---|
| Release date |
|
|
| Colors |
|
|
| Historical recorded price Legacy catalogue value; date unknown. Not a current offer. | Unknown |
|
| Battery life |
|
|
Communication and Connectivity
| Specification | Primo Plus C353 | Sidekick LX |
|---|---|---|
| SIM card |
|
|
| Network |
|
Unknown |
| Speed |
|
Unknown |
| GPRS |
|
|
| Edge |
|
|
| Wi-Fi |
|
|
| GPS |
|
|
| USB |
|
|
| Bluetooth |
|
|
| Harmful irradiation | Unknown |
|
Music and Audio
| Specification | Primo Plus C353 | Sidekick LX |
|---|---|---|
| Radio |
|
|
Other features
| Specification | Primo Plus C353 | Sidekick LX |
|---|---|---|
| Dop |
|
|
