1. Home
  2. Redmi K90 Ultra
  3. Fastboot Firmware
  4. OS3.0.306.0.WHPCNXM

 Download Xiaomi Redmi K90 Ultra Firmware ROM TWRP


Report dead link or download error Telegram support group

Download the firmware/ROM flash for Xiaomi Redmi K90 Ultra with the code is warsaw. Please make sure the code is exact. You can check model code by command fastboot getvar product in Fastboot mode. This MIUI version of Firmware/ROM is OS3.0.306.0.WHPCNXM and Android version is 16.0. This Firmware/ROM size is 11G.

Xiaomi Redmi K90 Ultra may called with other names like . China ROM, Firmware is for China region, there are only English, Chinese and No Google Services. Global ROM, Firmware is for Global region and almost can flash for China phone with unlocked bootloader. They have multilanguage and Google Services, china apps removed. All file download from MiFirm is Free. Fastboot firmware, ZIP firmware is official from Xiaomi. EU ROM, TWRP and Other files is unofficial. Use at your own risk.

ID
21995
File type
China Stable
Model
warsaw
Model name
Redmi K90 Ultra
MIUI version
OS3.0.306.0.WHPCNXM
File name
warsaw_images_OS3.0.306.0.WHPCNXM_20260627.0000.00_16.0_cn_f937704bf2.tgz
Android version
16.0
File size
11G
MD5
f937704bf270bfc9f809168f50c6d398
Downloaded
262
Attention
  • System updates won't delete any of your data, but it's a good idea to back it up before updating, just in case.
  • The software update package will be deleted once the update is complete and won't occupy storage space on your device.
  • If you run into any issues, you can get help or share your feedback through the "Service & feedback" app.
  • Learn more about Xiaomi HyperOS in Xiaomi Community

Redmi K90 Ultra (warsaw) specifications

Redmi K90 Ultra was announced at 2026, June 30 have chipset Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm) CPU Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M) and GPU Adreno 830 (1200 MHz). It have 256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM storage and there are colors: Black, Blue, Silver

NETWORK
Technology
GSM / HSPA / LTE / 5G
2G
GSM 850 / 900 / 1800 / 1900
3G
HSDPA 800 / 850 / 900 / 1700(AWS) / 1900 / 2100
4G
1, 3, 4, 5, 7, 8, 19, 28, 34, 38, 39, 40, 41, 42, 48, 66
5G
1, 3, 5, 7, 8, 28, 38, 40, 41, 48, 66, 77, 78 SA/NSA
Speed
HSPA, LTE, 5G
TIMELINE
Announced
2026, June 30
BODY
Dimensions
162.9 x 77.9 x 8.2 mm (6.41 x 3.07 x 0.32 in)
Weight
227 g (8.01 oz)
Build
Glass front, aluminum frame
SIM
Nano-SIM + Nano-SIM
DISPLAY
Type
AMOLED, 68B colors, PWM, 165Hz, Dolby Vision, HDR Vivid, HDR10+, 9500 nits (peak)*
Size
6.83 inches, 114.5 cm2 (~90.3% screen-to-body ratio)
Resolution
1280 x 2772 pixels, 19.5:9 ratio (~447 ppi density)
* Measured at an isolated spot during video playback only
PLATFORM
Chipset
Qualcomm SM8750-AB Snapdragon 8 Elite (3 nm)
CPU
Octa-core (2x4.32 GHz Oryon V2 Phoenix L + 6x3.53 GHz Oryon V2 Phoenix M)
GPU
Adreno 830 (1200 MHz)
MEMORY
Card slot
No
Internal
256GB 12GB RAM, 256GB 16GB RAM, 512GB 12GB RAM, 512GB 16GB RAM
UFS 4.1
MAIN CAMERA
Features
Color spectrum sensor, LED flash, HDR, panorama
Video
8K@30fps, 4K@30/60fps, 1080p@30/60/120/240/960fps, 720p@1920fps, gyro-EIS, HDR10+
FRONT CAMERA
Camera
20 MP (wide)
Video
1080p@30/60fps
SOUND
COMMUNICATES
WLAN
Wi-Fi 802.11 a/b/g/n/ac/6/7, dual-band, Wi-Fi Direct
Bluetooth
5.4, A2DP, LE, LHDC 5.0, ASHA, Auracast
GPS
GPS (L1+L5), BDS (B1I+B1c+B2a), GALILEO (E1+E5a), QZSS (L1+L5), NavIC, GLONASS
NFC
Yes
Radio
No
USB
USB Type-C, OTG
FEATURES
Sensors
Fingerprint (under display, optical), accelerometer, proximity, gyro, compass
BATTERY
Battery
Si/C Li-Ion 8550 mAh
MISC
Colors
Black, Blue, Silver
Buy on Amazon

Specs source: gsmarena.com
Disclaimer: We can not guarantee that the information on this page is 100% correct

How to flash Xiaomi Redmi K90 Ultra Firmware ROM

1. If Fastboot firmware. The ext. must be tgz. If not. Rename it from .gz to .tgz. Extract it by WinRAR

2. For Fastboot firmware. Download XiaomiFlash lastest. Extract tool after downloaded

3. Open XiaoMiFlash.exe. Install driver if tool required. Press select and select to firmware/ROM folder what includes flash_all.bat

4. Make sure your phone are unlocked bootloader. Or you must bring your phone to EDL mode (9008) to flash

5. Bring phone to Fastboot mode by hold Power and Volume down for 5-10s. Release button when It show Fastboot

6. Connect Phone to Computer. Press Refresh to scan device. If a device showed is Ok

7. Tick clean all (very important). If not, your phone will LOCKED BOOTLOADER after flash done

8. Press Flash and wait util it show success or any error

ZIP. ZIP ROM using Update function in System or TWRP

EU. EU ROM flash using TWRP

Read more

How to unlock bootloader Xiaomi Redmi K90 Ultra

After unlock bootloader the device, your phone becomes more vulnerable and less secure to malware attacks, which may lead to the disclosure and loss of your private data. Some features which require high security level (ex: Find device, added-value services, etc.) may no longer be available. Phone data like Photo, Contacts, SMS or application's data will be lost. Use at your own risk

1. Login with Mi account on your Xiaomi phone. Go to Setting - Phone information - Tap 7 times to MIUI version. It will notice developer options enabled

2. Go to Setting - Additional settings - Developer options - Mi Unlock status. Press Add account and wait to success notice. (This step require SIM card and mobile data enable)

3. Download the Mi Unlock app to PC, and sign in with the Mi account which are loged in your Mi phone

4. Shutdown your phone manually, then hold Power and Volume down button to enter Fastboot mode

5. Connect your phone with the PC using USB cable and click Unlock

Read more

Comment with us

I am so sorry! 😟

But please disable AdBlock. Because MiFirm is Free. But we need money to keep server running. Ads is only benifit for keep MiFirm running Free. Thank you!

👍 Understood. I turned it off ❓ How to disable AdBlock/AdBlockPlus? 😔 I do not want to help
❌

How to disable AdBlock

Adblock / Adblock Plus   
  • Click AdBlock or AdBlock Plus icon at the browser menu.
  • Click Don't run on pages on this site. or Enabled on this site then press Exclude or Switch off BLOCK ADS ON