LG K4 (K121)
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Best LG K4 (K121) Amazon.com Deals for Tuesday 28th of April 2026
UNLOCKED LG K4 K120 Google Android Phone, Dual Camera, 4.5" LCD, Pentaband...
Best LG K4 (K121) Ebay.com Deals for Tuesday 28th of April 2026
LG K4 K121 MetroPCS Only 8GB Grey CPO...
$29.99
New OEM LG BL-49JH Battery K3 LS450 K4 VS425 K120 Spree K121 K130 Zone 3 VS425PP...
$6.5
Original LG K4 K120E K121 Single SIM 8GB Android 4.5" Quad-Core Smartphone...
$66.49
LG BL-49JH OEM Battery K3 LS450 K4 K121 K130 Optimus Zone 3 VS425 K120 Spree...
$5.95
New OEM LG BL-49JH Battery K3 LS450 K4 VS425 K120 Spree K121 K130 Zone 3 VS425PP...
$7.75
LG K4 K121 UNLOCKED ANDROID CELL PHONE FIDO ROGERS BELL TELUS KOODO CHATR VIRGIN...
$57.22
New OEM LG BL-49JH Battery K3 LS450 K4 VS425 K120 Spree K121 K130 Zone 3 VS425PP...
$7.99
New OEM LG BL-49JH Battery K3 LS450 K4 VS425 K120 Spree K121 K130 Zone 3 VS425PP...
$7.99
Android LG K4 K120E K121 Single SIM 8GB Quad-Core Original Smartphone 4.5"...
$79.79
LG K4 2016 Battery K3 K120 K121 K130 LS450 BL-49JH 1940mAh...
$15.98
Original Android LG K4 K120E K121 Single SIM 8GB Quad-Core Smartphone 4.5"...
$79.32
Upgraded Replacement 3990mAh LG BL-49JH Battery for K3 LS450 K4 K120 Spree K121...
$16.48
Original Android LG K4 K120E K121 Single SIM 8GB Quad-Core Smartphone 4.5"...
$75.19
New OEM LG BL-49JH Battery K3 LS450 K4 VS425 K120 Spree K121 K130 Zone 3 VS425PP...
$8.99
Android LG K4 K120E K121 Original Single SIM 8GB Quad-Core Smartphone 4.5"...
$81.22
New OEM LG BL-49JH Battery K3 LS450 K4 VS425 K120 Spree K121 K130 Zone 3 VS425PP...
$8.99
REPLACEMENT BATTERY COMPATIBLE FOR LG K3 (LS450) / K4 (K120 / K121 ) BL-49JH...
$15.44
REPLACEMENT BATTERY COMPATIBLE FOR LG K3 (LS450) / K4 (K120 / K121 ) BL-49JH...
$12.99
Android LG K4 K120E K121 Single SIM Original 8GB Quad-Core Smartphone 4.5"...
$81.77
LG K4 K121 - 16GB - Black (Unlocked) Smartphone...
$320.0
Design
| Dimensions | LG K4 (K121) vs average LG dimensions comparison | Difference in units | Difference in % | LG K4 (K121) | Difference in % | Difference in units | LG K4 (K121) vs average smartphone dimensions comparison |
|---|---|---|---|---|---|---|---|
| Height | 131.9 mm vs 138.6 mm | 6.69 mm less height | -4.8% | 131.9 mm | -8.1% | 11.59 mm shorter | 131.9 mm vs 143.5 mm |
| Width | 66.7 mm vs 70.7 mm | 4.02 mm less width | -5.7% | 66.7 mm | -7.1% | 5.08 mm thinner | 66.7 mm vs 71.8 mm |
| Thickness | 8.9 mm vs 9.4 mm | 0.5 mm thinner | -5.3% | 8.9 mm | -2.8% | 0.25 mm thinner | 8.9 mm vs 9.2 mm |
| Weight | 120 g vs 144.2 g | 24.21 g less weight | -16.8% | 120 g | -22.6% | 34.95 g lighter | 120 g vs 154.9 g |
| Summary | |||||||
Performance
| Chipset SoC | LG K4 (K121) vs average LG chipset options comparison | Difference in units | Difference in % | LG K4 (K121) | Difference in % | Difference in units | LG K4 (K121) vs average smartphone chipset options comparison |
|---|---|---|---|---|---|---|---|
| Supports 64-bit OS Operating System | YES vs 90.4% YES | YES | YES vs 94.3% YES | ||||
| Semiconductor Size | 28 nm vs 27 nm | 1.01 nm larger semiconductor size | +3.8% | 28 nm | +11.3% | 2.85 nm larger semiconductor size | 28 nm vs 25.2 nm |
| Supports Integrated GPU Graphics | YES vs 100% YES | YES | YES vs 99.9% YES | ||||
| Integrated LTE Cellular Chip | YES | ||||||
| Summary | |||||||
Features
| Software Versions, Standards, Formats | LG K4 (K121) vs average LG Versions comparison | Difference in units | Difference in % | LG K4 (K121) | Difference in % | Difference in units | LG K4 (K121) vs average smartphone Versions comparison |
|---|---|---|---|---|---|---|---|
| DirectX Version | 9.3 vs 10.2 | 0.93 older DirectX version | 9.3 | 1.24 older DirectX version | 9.3 vs 10.5 | ||
| OpenGL version | 3.1 vs 3.1 | 0.02 newer OpenGL version | 3.1 | 0.05 newer OpenGL version | 3.1 vs 3.1 | ||
| OpenVG version | 3 vs 2.8 | 0.24 newer OpenVG version | 3 | 1.09 newer OpenVG version | 3 vs 1.9 | ||
| OpenCL version | 1.1 vs 1.2 | 0.14 older OpenCL version | 1.1 | 0.17 older OpenCL version | 1.1 vs 1.3 | ||
| OpenGL ES 3.0 | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Summary | |||||||
Capacity
| Battery Capacity | LG K4 (K121) vs average LG battery capacity comparison | Difference in units | Difference in % | LG K4 (K121) | Difference in % | Difference in units | LG K4 (K121) vs average smartphone battery capacity comparison |
|---|---|---|---|---|---|---|---|
| Battery Power | 1940 mAh vs 2522.6 mAh | 582.62 mAh less battery power | -23.1% | 1940 mAh | -30% | 832.49 mAh less battery power | 1940 mAh vs 2772.5 mAh |
| Removable Battery | YES vs 71.6% YES | YES | YES vs 50.4% YES | ||||
| Battery Level Indicator | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Rechargeable Battery | YES vs 100% YES | YES | YES vs 100% YES | ||||
| Summary | |||||||
Reviews
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