Firmware Update On Xiaomi Redmi S2: [top]

The Xiaomi Redmi S2 (also known globally as the Redmi Y2) was a standout device in the mid-range market upon its release, praised for its AI-powered selfie camera and solid build quality. However, like any Android smartphone, its performance, security, and feature set rely heavily on one critical component: its firmware.

This method works only if your bootloader is locked and you’re on an official MIUI build. If you see an error "Can't verify update," you need to unlock the bootloader.

Update only if you are already on MIUI 11 and want dark mode at the cost of speed. Otherwise, keep your current firmware and install a custom ROM when you have time. The Redmi S2’s hardware is fine – its official firmware is simply too heavy now. Firmware Update on XIAOMI Redmi S2

The Xiaomi Redmi S2, or Redmi Y2, has reached its End-of-Support (EOS) phase as of April 2026, meaning it no longer receives official MIUI, HyperOS, or security updates. Users can install the final available official ROM via OTA, "Choose update package," or the Mi Flash tool, though the device is now vulnerable to security threats and app incompatibility. Detailed instructions on updating your Redmi S2 are available at HardReset.info .

The Redmi S2 is no longer supported with official MIUI updates (last stable was MIUI 12 based on Android 9). If you find an OTA update pending, install it for security patches. However, if your phone runs smoothly now, think twice before updating – newer firmware often slows down this aging hardware. The Xiaomi Redmi S2 (also known globally as

(also known as Redmi Y2 in India) was launched in May 2018 as a budget-friendly smartphone with a focus on selfies and battery life. Running on the Qualcomm Snapdragon 625 platform, this device has aged remarkably well. However, like all Android smartphones, its longevity and security heavily depend on regular firmware updates .

If your Redmi S2 is lagging or apps are crashing, a fresh firmware update (Method 3) will make it feel like a new phone. If you want longevity until 2026, unlocking the bootloader and flashing LineageOS is the smartest move. If you see an error "Can't verify update,"

Ensure your phone has at least 50% to 70% battery to prevent it from shutting down mid-update.

This is the most thorough method. It wipes everything and installs the firmware at the partition level. Perfect for reviving a bricked or laggy Redmi S2.