Sign in using the credentials currently active on your Mi 8 SE. Step 5: Boot Your Mi 8 SE into Fastboot Mode Power off your phone completely.
Unlocking the bootloader on the transforms it from a restrictive MIUI device into a developer-friendly powerhouse. While the mandatory 7–15 day waiting period is frustrating, it is Xiaomi’s way of discouraging casual theft and mass resets.
Unlocking the bootloader on the Xiaomi Mi 8 SE is a necessary prerequisite for installing custom recoveries (such as TWRP), flashing custom ROMs, or obtaining root access via Magisk. Unlike older Xiaomi devices, the Mi 8 SE requires a specific waiting period and authentication via Xiaomi’s official unlock tool. This report outlines the step-by-step process, requirements, and critical risks involved.
A second warning will appear regarding device security. Click again. The tool will begin verifying your device and account. Important Note on the Waiting Period How to unlock Bootloader in XIAOMI Mi 8 SE with...
Do not log out of your Mi Account, factory reset the phone, or unbind the device during this waiting window, or the timer will reset back to day one.
Before you even connect your phone to the PC, you must complete these essential steps on the device itself.
As of mid-2026, Xiaomi has officially shut down its global bootloader unlock service and the associated permission system for newer models. However, for legacy devices like the Mi 8 SE (released 2018), the old method may still work if you have an older MIUI version installed. If you are on a newer "HyperOS" community build, unlocking may be impossible without authorized Mi engineer credentials. This guide assumes you are running MIUI 12 or older . Sign in using the credentials currently active on
: You must use cellular data (not Wi-Fi) to link your Xiaomi account to your phone. Phase 1: Prepare Your
Unlocking the bootloader on your XIAOMI Mi 8 SE requires some technical knowledge and patience. By following these steps, you can successfully unlock your device's bootloader and gain more control over your device's software. However, be aware that unlocking the bootloader may void your device's warranty and potentially brick your device if not done correctly.
Connect your phone to the PC. Click Unlock ; if this is your first attempt, the tool will likely display a message to "Please unlock 168 hours later" (7 days). While the mandatory 7–15 day waiting period is
Go back to the main Settings menu, select , and open Developer Options . Step 3: Link Your Mi Account and Turn on OEM Unlock
If you encounter issues during the bootloader unlock process, try:
The process will complete, and you will see a green checkmark with the message . Your Mi 8 SE will automatically reboot.
A active SIM card with mobile data capability must be inserted into the phone. Wi-Fi alone will not work for registration.
Once the waiting period has passed (e.g., exactly 7 days later), you are ready.