Phone Comparison - Micromax Bolt A58 vs Micromax Bolt A37B vs Lava Iris 450 COLOUR+
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| Manufacturer | Micromax | Micromax | Lava |
| Announced | October 2013 | January 2014 | July 2014 |
| Status | Available - October 2013 | Available - January 2014 | Available - July 2014 |
| Colors | Midnight Black, Raging Red | Black | Blue, Tan Brown, Raspberry Pink, Ivory White, Pro Black |
| Form Factor | Candybar | Candybar | Candybar |
| Dimension | - | - |
136 x 63.5 x 10.5 mm (5.35 x 2.5 x 0.41 in) |
| Weight | - | - | 136 g (4.8 oz) |
| 2G Network | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 | GSM 900 / 1800 - SIM 1 & SIM 2 |
| 3G Network | HSDPA 2100 | HSDPA 2100 | HSDPA 2100 |
| Messaging | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM | SMS, MMS, EMail, IM |
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| OS | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) | Android OS, v4.2.2 (Jelly Bean) |
| Processor | Dual-core 1.0 GHz, MTK 6572M | Dual-core 1.3 GHz, MTK 6572M | Dual-core 1.3 GHz, MTK 6572 |
| GPU | Mali-400 | Mali-400 | Mali-400MP |
| RAM | 512 MB | 256 MB | 1 GB |
| Internal Memory | 512 MB (90 MB for Apps) | 512 MB (107 MB for Apps, 27.82 MB for Mass Storage) | 4 GB (2.43 GB user available) |
| External Memory | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Type | TFT capacitive touchscreen | TFT capacitive touchscreen | IPS LCD Capacitive Touchscreen |
| Colors | 262K colors | 16M colors | 16.7M colors |
| Size | 3.5 inches | 3.5 inches | 4.5 inches |
| Resolution | 320 x 480 pixels (165 ppi) | 320 x 480 pixels (165 ppi) | 480 x 854 pixels (218 ppi) |
| Screen-to-Body Ratio | - | - | 64.44% |
| Multi-Touch |  |
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| 3.5mm Jack | |
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| Radio | FM radio | FM radio | FM Radio with Recording |
| Games | Yes + Downloadable | Yes + Downloadable | Yes + Downloadable |
| Loud Speaker | |
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| Rear Camera | 2 MP, 1600x1200 pixels | 2 MP, 1600x1200 pixels | 5 MP, 2592х1944 pixels |
| Flash | No | LED flash | LED flash |
| Features | Fixed Focus | Fixed Focus, Geo-tagging | Fixed Focus, Geo-tagging, Touch Focus, HDR, Burst Mode, Panaroma |
| Video | Yes, 720p@30fps | Yes | Yes, 720p |
| Front Camera | No [Similar] | No [Similar] | Yes, VGA [Similar] |
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| GPRS | Yes | Yes | Yes |
| Edge | Yes | Yes | Yes |
| 3G | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps | HSDPA, 21 Mbps; HSUPA, 5.76 Mbps |
| Bluetooth | Yes, v2.0 A2DP, EDR | Yes, v2.1 with EDR | Yes, v4.0 |
| Wi-Fi | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot | Wi-Fi 802.11 b/g/n, Wi-Fi hotspot |
| USB | Yes, microUSB v2.0 | Yes, microUSB v2.0 | Yes, microUSB v2.0 |
| GPS | No | No | Yes |
| Browser | HTML | HTML | HTML5 |
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| Internal | 512 MB (90 MB for Apps), 512 MB RAM | 512 MB (107 MB for Apps, 27.82 MB for Mass Storage), 256 MB RAM | 4 GB (2.43 GB user available), 1 GB RAM |
| Expandable Storage | microSD, up to 32 GB | microSD, up to 32 GB | microSD, up to 32 GB |
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| Fingerprint | |
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| Proximity Sensor | |
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| Accelerometer Sensor | |
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| NFC | |
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| Type | Li-Ion Battery | Li-Ion Battery | Li-Ion Battery |
| Capacity | 1200 mAh | 1450 mAh | 1800 mAh |
| Stand by | Up to 200 h | Up to 256 h | - |
| Talk Time | Up to 4 h | Up to 5 h 30 min | Up to 9 h 15 min (2G) Up to 8 h 31 min (3G) |
