REALME
realme C31 4G Dual-Sim 64GB ROM 4GB RAM GSM Unlocked - Dark Green
realme C31 4G Dual-Sim 64GB ROM 4GB RAM GSM Unlocked - Dark Green
SKU: SKU:RM-C31-4G-4-64-DGN
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realme C31 4G LTE
Reliable Performance. Long Battery. Dark Green.
Everyday smartphone with dependable performance, large display, and all-day battery life.
6.5” HD+ Display
Large screen with clear visuals for everyday viewing and entertainment.
Octa-Core Processor
Efficient performance for smooth daily usage and multitasking.
13MP AI Triple Camera
Capture clear and detailed photos with AI enhancements.
5MP Front Camera
Perfect for selfies and video calls.
5000mAh Battery
Long-lasting battery keeps you connected all day long.
64GB Storage + Expandable
Expand storage easily with microSD card support.
Dark Green Finish
Elegant dark green design with a clean and modern look.
Android Experience
Smooth and user-friendly Android interface.
4G LTE Connectivity
Reliable connectivity for calls, browsing, and streaming.
Dual SIM Support
Flexibility to use two SIM cards at the same time.
Factory Unlocked
Compatible with GSM carriers worldwide.
Important Information
- International Version – Factory Unlocked
- Supports 4G LTE networks
- Dual SIM functionality
- Expandable storage via microSD card
- Not compatible with Verizon, Sprint, or CDMA networks
- Please confirm carrier compatibility before purchase
Buy realme C31 Today
Available now at MyWorldPhone.com
| NETWORK | Technology | GSM / HSPA / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| 3G bands | HSDPA 850 / 900 / 2100 | |
| 4G bands | 1, 3, 5, 8, 38, 40, 41 | |
| Speed | HSPA, LTE |
| LAUNCH | Announced | 2022, March 25 |
|---|---|---|
| Status | Available. Released 2022, March 31 |
| BODY | Dimensions | 164.7 x 76.1 x 8.4 mm (6.48 x 3.00 x 0.33 in) |
|---|---|---|
| Weight | 197 g (6.95 oz) | |
| Build | Glass front, plastic frame, plastic back | |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| DISPLAY | Type | IPS LCD, 400 nits |
|---|---|---|
| Size | 6.5 inches, 102.0 cm2 (~81.4% screen-to-body ratio) | |
| Resolution | 720 x 1600 pixels, 20:9 ratio (~270 ppi density) | |
| Protection | Panda Glass |
| PLATFORM | OS | Android 11, Realme UI 2.0 |
|---|---|---|
| Chipset | Unisoc Tiger T612 (12 nm) | |
| CPU | Octa-core (2x1.8 GHz Cortex-A75 & 6x1.8 GHz Cortex-A55) | |
| GPU | Mali-G57 |
| MEMORY | Card slot | microSDXC (dedicated slot) |
|---|---|---|
| Internal | 32GB 3GB RAM, 64GB 4GB RAM | |
| UFS 2.2 |
| MAIN CAMERA | Triple | 13 MP, f/2.2, 25mm (wide), 1/3.06", 1.12µm, AF 2 MP, f/2.4, (macro) 0.3 MP, f/2.8, (depth) |
|---|---|---|
| Features | LED flash, HDR, panorama | |
| Video | 1080p@30fps |
| SELFIE CAMERA | Single | 5 MP, f/2.2, 27mm (wide), 1/5.0", 1.12µm |
|---|---|---|
| Features | HDR | |
| Video | 720p@30fps |
| SOUND | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes |
| COMMS | WLAN | Wi-Fi 802.11 b/g/n |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE | |
| Positioning | GPS, GLONASS, GALILEO, BDS | |
| NFC | No | |
| Radio | No | |
| USB | microUSB 2.0 |
| FEATURES | Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity |
|---|
| BATTERY | Type | Li-Po 5000 mAh, non-removable |
|---|---|---|
| Charging | 10W wired |
| MISC | Colors | Light Silver, Dark Green |
|---|---|---|
| Models | RMX3501 |
| Warranty | No Warranty |
|---|
| UPC/EAN | 6941399076877 |
|---|
| 1pcs | Realme C31 |
| 1pcs | Battery. |
| 1pcs | Home Charger. |
| 1pcs | Headphone. |
| 1pcs | Data Cable. |
| 1pcs | User Manual. |
1. Which exact model is this?
The realme C31 4G with 4GB RAM, 64GB storage and Dark Green finish.
2. Is Dark Green an official color?
Yes. Official colors include Dark Green and Light Silver.
3. Is 4GB + 64GB an official configuration?
Yes. realme officially lists 4GB LPDDR4X + 64GB UFS 2.2.
4. What type of RAM does it use?
LPDDR4X.
5. What storage technology does it use?
UFS 2.2.
6. Is UFS 2.2 faster than eMMC 5.1?
Yes. realme specifically promotes UFS 2.2 as faster than eMMC 5.1.
7. Does it support expandable storage?
Yes. It has a dedicated microSD slot.
8. What is the official maximum microSD capacity?
Up to 1TB.
9. Must the second SIM be removed to use microSD?
No. It has a three-card tray for two Nano-SIMs plus microSD.
10. Does it support eSIM?
No eSIM support is listed in realme’s C31 specifications.
Processor & performance
11. Which processor powers the C31?
Unisoc T612.
12. Is it a MediaTek Helio G35?
No. The existing MyWorldPhone FAQ saying Helio G35 is wrong.
13. What manufacturing process does it use?
12nm.
14. How many CPU cores are there?
Eight.
15. What is the maximum CPU speed?
Up to 1.82GHz.
16. Which performance CPU architecture does realme highlight?
ARM Cortex-A75.
17. What is the detailed CPU layout?
The commonly documented T612 implementation uses two Cortex-A75 performance cores plus six Cortex-A55 efficiency cores. For manufacturer-only retail copy, simply use Octa-Core Unisoc T612, up to 1.82GHz.
18. Which GPU does it use?
ARM Mali-G57.
19. What AnTuTu score does realme advertise?
202,439 under realme laboratory testing.
20. Is that benchmark guaranteed for every device?
No. Results vary with software, temperature and test conditions.
Display
21. How large is the display?
6.5 inches.
22. What screen-to-body ratio does realme specify?
88.7%.
23. Is the ~81.4% figure currently on MyWorldPhone correct?
No. realme officially states 88.7%.
24. What is the touch-sampling rate?
120Hz.
25. Does 120Hz mean a 120Hz refresh-rate display?
No. realme specifies 120Hz touch sampling, not a 120Hz display refresh rate.
26. How many colors does the screen support?
Approximately 16.7 million.
27. What resolution should be advertised?
Your current table says 720 × 1600. That is widely associated with the C31, but realme’s current Global specifications do not explicitly publish that resolution, so retain it only if separately verified for the exact regional unit.
28. Should it be called Full HD?
I would not. One official regional page uses confusing “Full HD” wording, while realme’s main technical specification omits resolution. Use 6.5-inch Fullscreen for strict manufacturer-grounded copy.
29. Does realme officially specify IPS?
The current Global specification does not explicitly say IPS. Your page does. For first-party-only copy, use 6.5-inch LCD/Fullscreen rather than over-specifying.
30. Does realme officially specify Panda Glass?
Not in the Global C31 specification reviewed here. Remove the claim unless separately sourced.
Rear cameras
31. What is the primary rear-camera resolution?
13MP.
32. Is the top MyWorldPhone “Rear Camera 8MP” correct?
No. Change it to 13MP immediately.
33. How many rear cameras does the C31 have?
Three.
34. Does it have only two rear cameras?
No. Multiple current image ALT tags saying dual camera are wrong.
35. Does it have four rear cameras?
No. The current MyWorldPhone FAQ saying four cameras is also wrong.
36. What is the main-camera aperture?
f/2.2.
37. How many elements are in the main lens?
5P.
38. Does realme advertise a Sony main sensor?
Yes. realme’s official product page calls it a Premium Sony Sensor, without giving an exact sensor model.
39. What is the second rear camera?
A macro camera.
40. What is the macro aperture?
f/2.4.
41. What macro shooting distance does realme specify?
About 4cm.
42. What is the third camera?
A B&W portrait lens.
43. What is the B&W-lens aperture?
f/2.8.
44. Should it be called a depth camera?
realme’s own terminology is B&W Lens / B&W Portrait Lens, so use that rather than generic “0.3MP depth camera.”
45. Does the main camera autofocus?
The phone supports autofocus; for manufacturer-focused copy, the safest prominent claims are 13MP, f/2.2 and 5P.
Camera modes & video
46. Does it support HDR photography?
Yes.
47. Does it support Portrait mode?
Yes.
48. Does it support Panorama?
Yes.
49. Does it support Pro mode?
Yes.
50. Does it support a macro shooting mode?
Yes.
51. Does it support Night Pro?
Yes.
52. Does it support time-lapse?
Yes.
53. What is maximum rear-video resolution?
1080p at 30fps.
54. Does it record 4K?
No.
55. Does it record 1080p60?
No. realme lists 1080p30.
Selfie camera
56. What is the selfie-camera resolution?
5MP.
57. Is the top MyWorldPhone front-camera value correct?
Yes. It currently says 5MP.
58. What is the front-camera aperture?
f/2.2.
59. How many lens elements does it use?
3P on the Global/most regional specification.
60. What selfie modes are supported?
HDR, Beauty Mode and filters.
61. What is maximum selfie-video resolution?
720p at 30fps.
62. Does the front camera support 1080p recording?
Not according to realme’s official C31 specification.
Battery & charging
63. What is the battery capacity?
5000mAh typical.
64. What is the minimum battery capacity?
4890mAh.
65. Is the battery removable?
No. It is integrated.
66. What is the maximum charging power?
10W.
67. Does realme call it fast charging?
Yes. Its official specification labels it 10W Fast Charge.
68. Does it support wireless charging?
No wireless-charging support is documented.
69. Does it support reverse wireless charging?
No.
70. Does realme advertise an Ultra Saving Mode?
Yes.
71. What does Ultra Saving Mode do?
It extends basic use when the battery becomes very low.
72. Should specific runtime figures be guaranteed?
No. realme’s figures are laboratory results and actual battery life varies.
SIM, storage & cellular
73. How many SIMs can it use?
Two Nano-SIMs.
74. Can microSD be used simultaneously?
Yes. It has a dedicated third slot.
75. Is this a 5G device?
No. It is a 4G LTE phone.
76. What FDD-LTE bands does the official specification list?
Bands 1/3/5/8.
77. What TDD-LTE bands are listed?
Bands 38/40/41.
78. Which WCDMA bands are listed?
850/900/2100MHz.
79. Does unlocked status guarantee U.S. carrier activation?
No. Activation depends on supported LTE bands, IMEI eligibility, VoLTE/IMS provisioning and carrier policy.
80. Should the page still say “not Verizon/Sprint/CDMA”?
No. That wording is outdated and should be replaced with a modern compatibility notice.
Connectivity & ports
81. What Bluetooth version does it have?
Bluetooth 5.0.
82. Does it support NFC?
No NFC support is listed in realme’s official specification.
83. What Wi-Fi bands should be claimed?
Most current realme regional specification pages list 2.4GHz Wi-Fi. One Indonesia page conflicts and lists 2.4/5GHz, so I would not promise 5GHz Wi-Fi unless your exact regional unit confirms it.
84. What charging/data port does it use?
The Global, Bangladesh, India, Spain, France and Italy specifications say Micro-USB.
85. Why does one realme regional page say USB Type-C?
The Indonesia page conflicts with the broader set of official realme specifications. For this listing, Micro-USB is the safer manufacturer-supported value, but verify the physical RMX3501 unit.
86. Does it have a 3.5mm headphone jack?
Yes.
87. Does it have GPS?
Yes.
88. Does it support BeiDou?
Yes.
89. Does it support Galileo?
Yes.
90. Does realme officially list GLONASS?
The Global spec specifically lists GPS/A-GPS, BeiDou and Galileo; avoid adding extra positioning systems unless verified for the regional variant.
Security, software & design
91. Where is the fingerprint reader?
Side-mounted.
92. Is the existing FAQ saying rear fingerprint correct?
No. The fingerprint sensor is on the side.
93. What OS did the C31 ship with?
realme UI R Edition based on Android 11.
94. Is the existing FAQ saying Android 10 correct?
No. It is wrong.
95. Is “realme UI 2.0” the correct manufacturer specification?
The official C31 specification says realme UI R Edition, not realme UI 2.0.
96. What are the official dimensions?
Approximately 164.7 × 76.1 × 8.4mm.
97. What is the official weight?
Approximately 197g.
98. Is the existing FAQ’s 200g / 9.8mm specification correct?
No. realme says approximately 197g and 8.4mm thickness.
99. Does realme market a Dynamic Texture Design?
Yes.
100. Does it have a reliability certification?
Yes. realme markets TÜV Rheinland Smartphone High Reliability Certification for the C31.
Factory-unlocked status does not guarantee activation on every carrier. For this international 4G device, compatibility depends on the exact regional model, supported LTE bands, IMEI eligibility, VoLTE/IMS provisioning, carrier certification and current network policies.