POCO F4 / Redmi K40S Firmware
Codename: munch
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Official POCO F4 / Redmi K40S firmware (codename munch).
The newest Fastboot ROM is OS1.0.15.0.ULMCNXM (Android 14), 6.2 GB, released 2026-03-06 03:00.
The newest Recovery ROM is OS1.0.9.0.ULMTWXM.
Files are served directly from Xiaomi’s servers. Need flashing help? Browse our guides.
Xiaomi Poco F4
Specs source: gsmarena.com- Released2022, June 27
- Body195g, 7.7mm thickness
- OSAndroid 12, up to 13, MIUI 14.2 for POCO
- Storage128GB/256GB storage, no card slot
Xiaomi Poco F4 was announced in 2022, June 23, runs Android 12, upgradable to Android 13, MIUI 14.2 for POCO, powered by Qualcomm SM8250-AC Snapdragon 870 5G (7 nm), memory: 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM, available in Moonlight Silver, Night Black, Nebula Green.
Full specifications
| Network | |
|---|---|
| Technology | GSM / HSPA / LTE / 5G |
| Launch | |
|---|---|
| Announced | 2022, June 23 |
| Status | Available. Released 2022, June 27 |
| Body | |
|---|---|
| Dimensions | 163.2 x 76 x 7.7 mm (6.43 x 2.99 x 0.30 in) |
| Weight | 195 g (6.88 oz) |
| Build | Glass front (Gorilla Glass 5), glass back |
| SIM | Nano-SIM + Nano-SIM |
| Display | |
|---|---|
| Type | AMOLED, 120Hz, HDR10+, Dolby Vision, 900 nits (HBM), 1300 nits (peak) |
| Size | 6.67 inches, 107.4 cm2 (~86.6% screen-to-body ratio) |
| Resolution | 1080 x 2400 pixels, 20:9 ratio (~395 ppi density) |
| Protection | Corning Gorilla Glass 5 |
| Platform | |
|---|---|
| OS | Android 12, upgradable to Android 13, MIUI 14.2 for POCO |
| Chipset | Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) |
| CPU | Octa-core (1x3.2 GHz Kryo 585 & 3x2.42 GHz Kryo 585 & 4x1.80 GHz Kryo 585) |
| GPU | Adreno 650 |
| Memory | |
|---|---|
| Card slot | No |
| Internal | 128GB 6GB RAM, 128GB 8GB RAM, 256GB 8GB RAM, 256GB 12GB RAM |
| Main Camera | |
|---|---|
| Triple | 64 MP, f/1.8, (wide) 1/2.0", 0.7µm, PDAF, OIS 8 MP, f/2.2, 119˚ (ultrawide), 1/4.0", 1.12µm 2 MP (macro) |
| Features | LED flash, HDR, panorama |
| Video | 4K@30/60fps, 1080p@30/60fps |
| Selfie camera | |
|---|---|
| Single | 20 MP, f/2.5, (wide), 1/3.06", 1.0µm |
| Video | 1080p@30fps |
| Sound | |
|---|---|
| Loudspeaker | Yes, with stereo speakers |
| 3.5mm jack | No |
| Comms | |
|---|---|
| WLAN | Wi-Fi 802.11 a/b/g/n/ac/6, dual-band, Wi-Fi Direct |
| Bluetooth | 5.2, A2DP, LE |
| Positioning | GPS (L1+L5), GLONASS (L1), BDS (B1I+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC (L5) |
| NFC | Yes (market/region dependent) |
| Infrared port | Yes |
| Radio | No |
| USB | USB Type-C 2.0, OTG |
| Features | |
|---|---|
| Sensors | Fingerprint (side-mounted), accelerometer, gyro, proximity, compass |
| Battery | |
|---|---|
| Type | Li-Po 4500 mAh |
| Charging | 67W wired, PD3.0, QC3, 100% in 38 min |
| Misc | |
|---|---|
| Colors | Moonlight Silver, Night Black, Nebula Green |
| Models | 22021211RG, 22021211RI |
| Price | About 250 EUR |
| Our Tests | |
|---|---|
| Performance | AnTuTu: 590961 (v8), 698586 (v9) GeekBench: 3190 (v5.1) GFXBench: 49fps (ES 3.1 onscreen) |
| Display | 1003 nits max brightness (measured) |
| Camera | Photo / Video |
| Loudspeaker | -26.1 LUFS (Good) |
| Battery (old) | Endurance rating 101h |
11 versions found
| Version | Android | Type | Size | Released | Downloads | Download |
|---|---|---|---|---|---|---|
|
OS1.0.15.0.ULMCNXM
China
|
Android 14 | Fastboot | 6.2 GB | 2026-03-06 03:00 | 0 | Download |
|
OS1.0.12.0.ULMCNXM
China
|
Android 14 | Fastboot | 6.2 GB | 2025-12-04 03:00 | 0 | Download |
|
OS1.0.8.0.ULMTWXM
Taiwan
|
Android 14 | Fastboot | 5.6 GB | 2025-05-06 03:00 | 0 | Download |
|
OS1.0.8.0.ULMIDXM
Indonesia
|
Android 14 | Fastboot | 6.1 GB | 2025-04-09 03:00 | 0 | Download |
|
OS1.0.8.0.ULMEUXM
EEA
|
Android 14 | Fastboot | 5.9 GB | 2025-04-09 03:00 | 0 | Download |
|
OS1.0.7.0.ULMTRXM
Turkey
|
Android 14 | Fastboot | 5.9 GB | 2025-04-09 03:00 | 0 | Download |
|
OS1.0.7.0.ULMRUXM
Russia
|
Android 14 | Fastboot | 6.1 GB | 2025-04-09 03:00 | 0 | Download |
|
OS1.0.7.0.ULMINXM
India
|
Android 14 | Fastboot | 5.4 GB | 2025-04-09 03:00 | 0 | Download |
|
OS1.0.9.0.ULMMIXM
Global
|
Android 14 | Fastboot | 6.2 GB | 2025-04-02 03:00 | 0 | Download |
|
OS1.0.10.0.ULMCNXM
China
|
Android 14 | Fastboot | 6.4 GB | 2025-04-02 03:00 | 0 | Download |
|
V14.0.22.12.5.DEV
Unknown
|
Android 13 | Fastboot | 5.4 GB | 2022-12-05 03:00 | 0 | Download |
Locked, stuck or need it flashed?
Step-by-step guides for technicians working on the POCO F4 / Redmi K40S: