Redmi K40 alioth
Official Redmi K40 stock firmware — flash file, stock ROM & IMEI repair file, free direct download.
Also known as POCO F3, Mi 11X — same device, same firmware.
⇄ Compare with another deviceThe Redmi K40 (model code alioth) has 350 official stock firmware files (flash file / stock ROM) available for free download on ROM Palace — the latest released in Jan 2026. The device runs on the Qualcomm SM8250-AC Snapdragon 870 5G (7 nm) and its firmware covers Android 13. Each download is a direct, resume-supported link used to unbrick the phone, fix a bootloop, remove FRP, repair a corrupt or null IMEI, downgrade, or restore the Redmi K40 to its original factory software.
Specifications
Overview2021 value champion with Snapdragon 870, a 6.67" 120Hz AMOLED and 33W charging at a killer price.
Pros
- Great price/performance
- Snapdragon 870
- 120Hz AMOLED
- Stereo speakers
Cons
- No ultrawide OIS
- Plastic frame
- No IP rating
▶ Watch Redmi K40 review Redmi K40 stock firmware & flash files (350)
Showing the newest 35 of 350 firmware files — at least two builds per region and ROM type. See all 350 versions →
Where to buy the Redmi K40
Compare the current Redmi K40 price at these stores. We show the marketplaces available in your country — prices and availability vary by region.
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Reviews & videos
Review links open on third-party sites. ROM Palace is not affiliated with them and hosts no copied review content.
Frequently asked questions
How do I flash the Redmi K40 stock firmware?
Download the stock ROM / flash file for your exact Redmi K40 (alioth), extract the archive, then flash it with SP Flash Tool (SPFT) for MediaTek (MTK) devices, or the SPD Upgrade / ResearchDownload tool for Unisoc/Spreadtrum (SPD) chipsets. Back up your data first and charge the battery above 50%. See our step-by-step flashing guide for details.
Is it safe to flash Redmi K40 firmware?
Flashing official stock firmware is safe as long as you use the correct stock ROM / flash file for your exact model code (alioth). Flashing the wrong firmware can brick the device, so always confirm the model code before flashing.
Are these Redmi K40 ROM downloads free?
Yes. Every Redmi K40 firmware file on ROM Palace is free to download with a direct link — no subscription and no waiting queue.
What problems can Redmi K40 stock firmware fix?
Stock firmware fixes bootloops, a device stuck on the logo, software crashes, failed OTA updates, can remove FRP, repair a corrupt or null IMEI, and restore the Redmi K40 to its original factory software.
What are the other names for the Redmi K40?
The Redmi K40 is also sold and known as POCO F3, Mi 11X in different regions and markets. They are the same device (codename alioth), so the same stock firmware, flash files and stock ROMs apply to all of them.
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