Realme 3 APN settings & network compatibility in United States
Realme 3 network specifications
| OS | Android 9.0 (Pie); ColorOS 6 |
| Network bands | GSM / HSPA / LTE |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A (2CA) Cat12 600/50 Mbps |
| Network frequencies | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 HSDPA 850 / 900 / 2100 LTE band 1(2100), 3(1800), 5(850), 7(2600), 8(900), 20(800), 28(700), 38(2600), 40(2300), 41(2500) LTE band 1(2100), 3(1800), 5(850), 8(900), 38(2600), 40(2300), 41(2500) |
| SIM | Dual SIM (Nano-SIM, dual stand-by) |
| WLAN | Wi-Fi 802.11 b/g/n, hotspot |
| CPU | Octa-core (4x2.0 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) Octa-core (4x2.1 GHz Cortex-A73 & 4x2.0 GHz Cortex-A53) |
| RAM | 4 GB |
| Internal memory | 64 GB |
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