The Redmi 4X (model code santoni) has 180 official stock firmware files (flash file / stock ROM) available for free download on ROM Palace — the latest released in Nov 2019. The device runs on the Qualcomm MSM8940 Snapdragon 435 (28 nm) and its firmware covers Android 7. 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 4X to its original factory software.
Heads up. Redmi firmware is downloaded directly from the official
Redmi / manufacturer servers — we index it so you can find the right build fast.
Flashing can void your warranty or brick your device; proceed at your own risk and back up first.
Where to buy the Redmi 4X
Compare the current Redmi 4X price at these stores. We show the marketplaces available in your country — prices and availability vary by region.
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Frequently asked questions
How do I flash the Redmi 4X stock firmware?
Download the stock ROM / flash file for your exact Redmi 4X (santoni), 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 4X firmware?
Flashing official stock firmware is safe as long as you use the correct stock ROM / flash file for your exact model code (santoni). Flashing the wrong firmware can brick the device, so always confirm the model code before flashing.
Are these Redmi 4X ROM downloads free?
Yes. Every Redmi 4X firmware file on ROM Palace is free to download with a direct link — no subscription and no waiting queue.
What problems can Redmi 4X 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 4X to its original factory software.
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