T-Mobile Sidekick LX vs ZTE Open

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 LX: 2 mm narrower

  Sidekick LX:

  60 mm

  Open:

  62 mm

• Screen diagonal

  Sidekick LX: 0.5 in smaller diagonal

  Sidekick LX:

  3 in

  Open:

  3.5 in

• Depth

  Open: 9.5 mm thinner

  Sidekick LX:

  22 mm

  Open:

  12.5 mm

• Height

  Open: 15.5 mm shorter

  Sidekick LX:

  129.5 mm

  Open:

  114 mm

• Release year

  Sidekick LX:

  2007

  Open:

  2013

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 LX

   Height:

   129.5 mm +15.5 mm versus Open

   Width:

   60 mm

   Depth:

   22 mm +9.5 mm versus Open

   Weight:

   162 g

2. 2. Open

   Height:

   114 mm

   Width:

   62 mm +2 mm versus Sidekick LX

   Depth:

   12.5 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 LX

   Screen diagonal:

   3 in

   Aspect ratio (height:width):

   5:3

   Approximate rectangular screen area:

   25.6 cm²

2. 2. Open

   Screen diagonal:

   3.5 in

   Aspect ratio (height:width):

   3:2

   Approximate rectangular screen area:

   36.5 cm²

Open 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.

Practical features

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

Battery capacity

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

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.