This is a security feature by Xiaomi to prevent unauthorized firmware changes. For the device to allow writing (flashing) to the boot partition, it requires a "handshake" that only happens when the bootloader is in an unlocked state. Android Open Source Project How to Fix It
If you still face the error, – they give you full control and bypass Mi Flash Tool’s restrictions. download for partition boot is not allowed redmi note 4
Do not use random ZIPs from forums. Download official Fastboot ROMs ( .tgz files) from Xiaomi Firmware Updater or MIUI Official . This is a security feature by Xiaomi to
Note: This is advanced. If you are uncomfortable, take the phone to a repair shop with an authorized Xiaomi account. Do not use random ZIPs from forums
(Snapdragon 625 variant, codename mido ) is widely regarded as one of Xiaomi's most durable and developer-friendly devices. However, even the sturdiest smartphone can run into terrifying errors when you try to modify the software.
: When you try to flash an image (like boot.img or recovery.img ), the device checks the bootloader's status. If the status is "False" (locked), the system rejects the flashing command to protect the device's integrity.
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