Xiaomi blocked the ability to put a global firmware

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Recently, Chinese manufacturer Xiaomi has changed its attitude to the changes of firmware to its gadgets. Now the branded device will be blocked by the boot loader and it will be impossible to install a global firmware on the Chinese smartphone, as well as an international firmware for the mobile device of Chinese modifications.
Now many people who want to save money and put a global firmware on the device bought for little money in China will not be able to do this. On the other hand, the restriction applies only to smartphones with a locked bootloader. If you unblock it, you can install any version of the firmware on your gadget.
Perhaps the reason for the tightening of the company's policy has become its declining revenues, because by replacing the Chinese devices with the global version, the user gets rid of annoying local advertising.