verykool s3504 Mystic II vs ZTE Open C

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.

  • Weight

    s3504 Mystic II: 20 g lighter

    s3504 Mystic II:
    105 g
    Open C:
    125 g
  • Screen diagonal

    s3504 Mystic II: 0.5 in smaller diagonal

    s3504 Mystic II:
    3.5 in
    Open C:
    4 in
  • Chipset

    s3504 Mystic II:
    Mediatek MT6572M (28 nm)
    Open C:
    Qualcomm MSM8210 Snapdragon 200 (28 nm)
  • Depth

    Open C: 1.2 mm thinner

    s3504 Mystic II:
    12 mm
    Open C:
    10.8 mm
  • Height

    s3504 Mystic II: 7 mm shorter

    s3504 Mystic II:
    119 mm
    Open C:
    126 mm
  • Release year

    s3504 Mystic II:
    2015
    Open C:
    2014

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. s3504 Mystic II

    Height:
    119 mm
    Width:
    65 mm
    Depth:
    12 mm +1.2 mm versus Open C
  2. 2. Open C

    Height:
    126 mm +7 mm versus s3504 Mystic II
    Width:
    64.7 mm
    Depth:
    10.8 mm

Weight

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

  1. 1. s3504 Mystic II

    105 g

  2. 2. Open C

    125 g

    +20 g versus s3504 Mystic II

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. s3504 Mystic II

    Screen diagonal:
    3.5 in
    Aspect ratio (height:width):
    3:2
    Approximate rectangular screen area:
    36.5 cm²
  2. 2. Open C

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

Open C has approximately 24.8% more rectangular screen area than s3504 Mystic II.

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.

s3504 Mystic II: Original memory entry

4 GB · 512 MB RAM

Open C: 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. s3504 Mystic II

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

2. Open C

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. s3504 Mystic II

    1200 mAh

  2. 2. Open C

    1400 mAh

    +200 mAh versus s3504 Mystic II

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. s3504 Mystic II2. Open C

Everyday essentials
Everyday essentials — specifications for s3504 Mystic II, Open C.
Specifications3504 Mystic IIOpen C
Dimensions (HxWxD)
  • 119 Х 65 Х 12 mm
  • 126 Х 64.7 Х 10.8 mm
Weight
  • 105 g
  • 125 g
Technology
  • TFT
  • TFT
Screen size
  • 3.5" inch
  • 4" inch
Screen resolution
  • 320 x 480 px
  • 480 x 800 px
Internal memory Recorded storage / RAM variants. Entries are alternatives, not a combined maximum. Ambiguous formats stay as recorded.
  • 4 GB
  • 512 MB RAM
  • 4 GB
  • 512 MB RAM
Memory card support
  • microSD
  • up to 32 GB
  • microSD
  • up to 32 GB (dedicated slot)
Battery Capacity is not battery life. No endurance test is implied.
  • 1200 mAh
  • Removable Li-Ion
  • 1400 mAh
  • Removable Li-Ion
Operating system OS
  • Android 4.2 (Jelly Bean)
  • Firefox OS 1.3
Chipset
  • Mediatek MT6572M (28 nm)
  • Qualcomm MSM8210 Snapdragon 200 (28 nm)
Headphone jack
  • Yes
  • Yes
Display
Display — specifications for s3504 Mystic II, Open C.
Specifications3504 Mystic IIOpen C
Touchscreen
  • capacitive touchscreen
  • capacitive touchscreen
Display colors
  • 256K
  • 256K
Screen area
  • 36.5 cm2
  • 45.5 cm2
Screen format
  • 3:2 (height:width)
  • 5:3 (height:width)
Screen to body ratio
  • 47.2%
  • 55.9%
PPI /points per inch/
  • 165 PPI
  • 233 PPI
Camera and Video
Camera and Video — specifications for s3504 Mystic II, Open C.
Specifications3504 Mystic IIOpen C
Rear camera, main
  • 5 MP
  • Single
  • 3.15 MP
  • Single
Camera specs
  • 5 MP
  • 3.15 MP
Functions
  • panorama
Unknown
Video
  • 720p@30fps
  • 352x288@15fps
Front camera, selfie
  • 1.3 MP
  • Single
  • 0 MP,
Specifications
  • 1.3 MP
Unknown
Performance

Scores marked * are historical catalogue entries. Test conditions are unspecified; no new testing is implied.

Performance — specifications for s3504 Mystic II, Open C.
Specifications3504 Mystic IIOpen C
Processor CPU
  • Dual-core 1.0 GHz Cortex-A7
  • Dual-core 1.2 GHz Cortex-A7
Graphics processor GPU
  • Mali-400
  • Adreno 302
Antutu 7 score * Unknown
  • 12154
General specs
General specs — specifications for s3504 Mystic II, Open C.
Specifications3504 Mystic IIOpen C
Release date
  • 2015
  • August
  • 2014
  • February
Colors
  • Black
  • Orange
  • Black
Historical recorded price Legacy catalogue value; date unknown. Not a current offer. Unknown
  • 70 EUR
Battery life
  • Stand by time- Up to 170 h (3G) Talking time- Up to 4 h (3G)
  • Stand by time- Up to 150 h Talking time- Up to 6 h
Communication and Connectivity
Communication and Connectivity — specifications for s3504 Mystic II, Open C.
Specifications3504 Mystic IIOpen C
SIM card
  • Dual SIM (Mini-SIM
  • dual stand-by)
  • Micro-SIM
Network
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2
  • Show all network frequencies: -2G - GSM 850 / 900 / 1800 / 1900
Speed
  • HSPA 21.1/5.76 Mbps
  • HSPA 21.1/5.76 Mbps
GPRS
  • Yes
  • Yes
Edge
  • Yes
  • Yes
Wi-Fi
  • Wi-Fi 802.11 b/g/n
  • hotspot
  • Wi-Fi 802.11 b/g/n
  • hotspot
GPS
  • No
  • Yes
  • with A-GPS
USB
  • microUSB 2.0
  • microUSB 2.0
Bluetooth
  • 3.0
  • A2DP
  • 2.1
Harmful irradiation
  • SAR - 0.83 W/kg (head) 1.17 W/kg (body)
Unknown
Music and Audio
Music and Audio — specifications for s3504 Mystic II, Open C.
Specifications3504 Mystic IIOpen C
Radio
  • Stereo FM radio
  • FM radio
Other features
Other features — specifications for s3504 Mystic II, Open C.
Specifications3504 Mystic IIOpen C
Dop
  • Sensors Accelerometer
  • Sensors Accelerometer MP3/AAC+/WAV player -MP4/H.264 player -Photo viewer -Predictive text input