Redmi K30 4G China is a xiaomi device (codename: phoenix). FirmwareMirror hosts 129 verified firmware builds, covering: Global. Available as Fastboot & Recovery ROM formats, compatible with Android 12.0, 11.0, 10.0. Last updated: September 2022. All files MD5-verified. Free, no registration.
Find and download official MIUI ROM for Redmi K30 4G China (phoenix). All firmware files include MD5 hash verification and are available for direct download.
| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| 21.4.1 | Fastboot | 3.15 GB | 2021-04-01 |
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| 21.3.3 | Fastboot | 3.08 GB | 2021-04-18 |
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| 21.2.24 | Fastboot | 3.08 GB | 2021-04-18 |
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| 21.1.20 | Fastboot | 415.08 MB | 2021-04-18 |
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| 21.1.14 | Fastboot | 3.02 GB | 2021-04-18 |
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| 20.12.28 | Fastboot | 3.07 GB | 2020-12-31 |
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| 20.12.10 | Fastboot | 3.11 GB | 2020-12-10 |
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| 20.12.2 | Fastboot | 3.03 GB | 2020-12-03 |
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| 20.11.25 | Fastboot | 2.98 GB | 2020-11-26 |
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| 20.11.18 | Fastboot | 2.94 GB | 2020-11-19 |
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| 20.11.12 | Fastboot | 2.93 GB | 2020-11-12 |
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| 20.11.5 | Fastboot | 2.91 GB | 2020-11-06 |
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| 20.10.30 | Fastboot | 2.9 GB | 2020-10-31 |
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| 20.10.29 | Fastboot | 2.9 GB | 2020-10-29 |
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| 20.10.22 | Fastboot | 2.93 GB | 2020-10-22 |
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| 20.9.17 | Fastboot | 2.82 GB | 2020-09-17 |
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| 20.9.3 | Fastboot | 2.82 GB | 2020-09-03 |
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| 20.8.27 | Fastboot | 2.82 GB | 2020-08-28 |
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| 20.8.13 | Fastboot | 2.84 GB | 2020-08-13 |
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| 20.8.6 | Fastboot | 2.81 GB | 2020-08-06 |
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| 20.7.30 | Fastboot | 2.8 GB | 2020-07-30 |
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| 20.7.23 | Fastboot | 2.8 GB | 2020-07-23 |
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| 20.7.16 | Fastboot | 2.84 GB | 2020-07-16 |
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| 20.7.9 | Fastboot | 2.83 GB | 2020-07-09 |
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| 20.7.2 | Fastboot | 2.81 GB | 2020-07-02 |
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| 20.6.18 | Fastboot | 2.79 GB | 2020-06-18 |
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| 20.6.11 | Fastboot | 2.78 GB | 2020-06-11 |
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| 20.6.4 | Fastboot | 2.79 GB | 2020-06-05 |
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| 20.5.28 | Fastboot | 2.79 GB | 2020-05-28 |
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| 20.5.21 | Fastboot | 2.77 GB | 2020-05-21 |
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| 20.5.14 | Fastboot | 2.52 GB | 2020-05-14 |
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| 20.5.7 | Fastboot | 2.51 GB | 2020-05-08 |
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| 20.4.30 | Fastboot | 2.52 GB | 2020-04-30 |
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| 20.4.27 | Fastboot | 2.49 GB | 2020-04-27 |
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| 20.3.26 | Fastboot | 2.53 GB | 2020-03-26 |
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| 20.3.19 | Fastboot | 2.54 GB | 2020-03-19 |
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| 20.3.12 | Fastboot | 2.43 GB | 2020-03-12 |
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| 20.3.5 | Fastboot | 2.42 GB | 2020-03-06 |
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| 20.2.20 | Fastboot | 2.39 GB | 2020-02-20 |
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| 20.1.21 | Fastboot | 2.3 GB | 2020-02-08 |
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| 20.1.16 | Fastboot | 2.3 GB | 2020-01-17 |
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| 20.1.9 | Fastboot | 2.3 GB | 2020-01-09 |
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| 9.12.26 | Fastboot | 2.29 GB | 2019-12-27 |
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| 9.12.19 | Fastboot | 2.27 GB | 2019-12-20 |
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| Version | Method | Size | Release Date | MD5 Hash | Download |
|---|---|---|---|---|---|
| 21.4.1 | Fastboot | 3.15 GB | 2021-04-01 |
N/A
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Download |
| 21.3.3 | Fastboot | 3.08 GB | 2021-04-18 |
N/A
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| 21.2.24 | Fastboot | 3.08 GB | 2021-04-18 |
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| 21.1.20 | Fastboot | 415.08 MB | 2021-04-18 |
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| 21.1.14 | Fastboot | 3.02 GB | 2021-04-18 |
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| 20.12.28 | Fastboot | 3.07 GB | 2020-12-31 |
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| 20.12.10 | Fastboot | 3.11 GB | 2020-12-10 |
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| 20.12.2 | Fastboot | 3.03 GB | 2020-12-03 |
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| 20.11.25 | Fastboot | 2.98 GB | 2020-11-26 |
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| 20.11.18 | Fastboot | 2.94 GB | 2020-11-19 |
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| 20.11.12 | Fastboot | 2.93 GB | 2020-11-12 |
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| 20.11.5 | Fastboot | 2.91 GB | 2020-11-06 |
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| 20.10.30 | Fastboot | 2.9 GB | 2020-10-31 |
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| 20.10.29 | Fastboot | 2.9 GB | 2020-10-29 |
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| 20.10.22 | Fastboot | 2.93 GB | 2020-10-22 |
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| 20.9.17 | Fastboot | 2.82 GB | 2020-09-17 |
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| 20.9.3 | Fastboot | 2.82 GB | 2020-09-03 |
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| 20.8.27 | Fastboot | 2.82 GB | 2020-08-28 |
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| 20.8.13 | Fastboot | 2.84 GB | 2020-08-13 |
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| 20.8.6 | Fastboot | 2.81 GB | 2020-08-06 |
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| 20.7.30 | Fastboot | 2.8 GB | 2020-07-30 |
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| 20.7.23 | Fastboot | 2.8 GB | 2020-07-23 |
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| 20.7.16 | Fastboot | 2.84 GB | 2020-07-16 |
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| 20.7.9 | Fastboot | 2.83 GB | 2020-07-09 |
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| 20.7.2 | Fastboot | 2.81 GB | 2020-07-02 |
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| 20.6.18 | Fastboot | 2.79 GB | 2020-06-18 |
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| 20.6.11 | Fastboot | 2.78 GB | 2020-06-11 |
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| 20.6.4 | Fastboot | 2.79 GB | 2020-06-05 |
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| 20.5.28 | Fastboot | 2.79 GB | 2020-05-28 |
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| 20.5.21 | Fastboot | 2.77 GB | 2020-05-21 |
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| 20.5.14 | Fastboot | 2.52 GB | 2020-05-14 |
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| 20.5.7 | Fastboot | 2.51 GB | 2020-05-08 |
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| 20.4.30 | Fastboot | 2.52 GB | 2020-04-30 |
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| 20.4.27 | Fastboot | 2.49 GB | 2020-04-27 |
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| 20.3.26 | Fastboot | 2.53 GB | 2020-03-26 |
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| 20.3.19 | Fastboot | 2.54 GB | 2020-03-19 |
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| 20.3.12 | Fastboot | 2.43 GB | 2020-03-12 |
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| 20.3.5 | Fastboot | 2.42 GB | 2020-03-06 |
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| 20.2.20 | Fastboot | 2.39 GB | 2020-02-20 |
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| 20.1.21 | Fastboot | 2.3 GB | 2020-02-08 |
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| 20.1.16 | Fastboot | 2.3 GB | 2020-01-17 |
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| 20.1.9 | Fastboot | 2.3 GB | 2020-01-09 |
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| 9.12.26 | Fastboot | 2.29 GB | 2019-12-27 |
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| 9.12.19 | Fastboot | 2.27 GB | 2019-12-20 |
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Connectivity options on the Redmi K30 include Wi-Fi 802.11 a/b/g/n/ac, GPS, Bluetooth v5. 00, NFC, Wi-Fi Direct, 3G, and 4G. Sensors on the phone include accelerometer, ambient light sensor, compass/ magnetometer, proximity sensor, and fingerprint sensor. The Redmi K30 supports face unlock.
| Network | Technology | GSM / CDMA / HSPA / EVDO / LTE |
|---|---|---|
| 2G bands | GSM 850 / 900 / 1800 / 1900 - SIM 1 & SIM 2 | |
| CDMA 800 & TD-SCDMA | ||
| 3G bands | HSDPA 850 / 900 / 2100 | |
| CDMA2000 1xEV-DO | ||
| 4G bands | 1, 3, 5, 8, 34, 38, 39, 40, 41 | |
| Speed | HSPA 42.2/5.76 Mbps, LTE-A |
| Launch | Announced | 2019, December 10 |
|---|---|---|
| Status | Available. Released 2019, December 20 |
| Body | Dimensions | 165.3 x 76.6 x 8.8 mm (6.51 x 3.02 x 0.35 in) |
|---|---|---|
| Weight | 208 g (7.34 oz) | |
| Build | Glass front (Gorilla Glass 5), glass back (Gorilla Glass 5), aluminum frame | |
| SIM | Hybrid Dual SIM (Nano-SIM, dual stand-by) |
| Display | Type | IPS LCD capacitive touchscreen, 16M colors |
|---|---|---|
| Size | 6.67 inches, 107.4 cm2 (~84.8% screen-to-body ratio) | |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) | |
| Protection | Corning Gorilla Glass 5 | |
| HDR10 120Hz refresh rate |
| Platform | OS | Android 10, MIUI 11 |
|---|---|---|
| Chipset | Qualcomm SDM730 Snapdragon 730G (8 nm) | |
| CPU | Octa-core (2x2.2 GHz Kryo 470 Gold & 6x1.8 GHz Kryo 470 Silver) | |
| GPU | Adreno 618 |
| Memory | Card slot | microSDXC (uses shared SIM slot) |
|---|---|---|
| Internal | 64GB 6GB RAM, 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM | |
| UFS 2.1 |
| Main Camera | Quad | 64 MP, f/1.9, 26mm (wide), 1/1.72", 0.8µm, PDAF 8 MP, f/2.2, 13mm (ultrawide), 1/4.0", 1.12µm 2 MP, f/2.4, (macro) 2 MP, f/2.4, (depth) |
|---|---|---|
| Features | Dual-LED flash, HDR, panorama | |
| Video | 4K@30fps, 1080p@30/120fps, 720p@960fps; gyro-EIS |
| Selfie camera | Dual | 20 MP, f/2.2, 27mm (wide), 1/3.4", 0.8µm 2 MP, f/2.4, 1/5", 1.75µm, depth sensor |
|---|---|---|
| Features | HDR | |
| Video | 1080p@30fps |
| Sound | Loudspeaker | Yes |
|---|---|---|
| 3.5mm jack | Yes | |
| 24-bit/192kHz audio |
| Comms | WLAN | Wi-Fi 802.11 a/b/g/n/ac, dual-band, Wi-Fi Direct, hotspot |
|---|---|---|
| Bluetooth | 5.0, A2DP, LE, aptX HD | |
| GPS | Yes, with A-GPS, GLONASS, GALILEO, BDS | |
| NFC | Yes | |
| Infrared port | Yes | |
| Radio | FM radio, recording | |
| USB | 2.0, Type-C 1.0 reversible connector, USB On-The-Go |
| Features | Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
|---|
| Battery | Li-Po 4500 mAh, non-removable | |
|---|---|---|
| Charging | Fast charging 27W, 100% in 68 min (advertised) |
| Misc | Colors | Blue, Red, Purple |
|---|---|---|
| Models | M1912G7BE, M1912G7BC | |
| Price | $ 318.13 |
| Tests | Performance |
AnTuTu: 218200 (v7), 272229 (v8) GeekBench: 7008 (v4.4), 1692 (v5.1) GFXBench: 15fps (ES 3.1 onscreen) |
|---|---|---|
| Display | Contrast ratio: 1378:1 (nominal) | |
| Camera | Photo / Video | |
| Audio quality | Noise -94.0dB / Crosstalk -93.0dB | |
| Battery life | Endurance rating 101h | |
A: Yes — official firmware from the manufacturer is generally safe when you match your device's exact model number and region. Flashing the wrong region or modified firmware can cause issues.
A: Redmi K30 4G China firmware is flashed using MiFlash. See the step-by-step guide above for the full procedure.
A: Some devices allow downgrading, others have anti-rollback protection that blocks it. Check the version-specific notes on each ROM page, or your model's community forum, before attempting a downgrade.
A: First, verify the firmware matches your exact model code (e.g. SM-S938B for Samsung, or the CPH-number for OPPO). Reinstall the manufacturer's USB drivers, use a rear USB 2.0 port directly on your PC, and retry. The troubleshooting box above the FAQ covers the most common failure modes.
