DAA (Download agent authentication) and SLA (Serial Link Authorization) is a security feature that Xiaomi Implement on their Mediatek devices to Prevent unauthorized flashing. once DAA or SLA Authentication implanted it will prevent flash tool to write any device partition without completing the challenge.
In the case of DAA Protection You can bypass it by loading a custom or slightly Modified DA (Download agent file) in SP Flash tool. but in case of SLA You can’t load a DA File without completing the SLA challenge which is done through the Special account called Authorized MI account or ID that are given to service center for repairing Xiaomi devices.
Steps to bypass SLA & DAA Authentication using Linux:
- Download bypass tool from here
- extract Downloaded tool
- Go to the tool folder and open command window
- allow require permissions & lunch tool
chmod +x bypass && ./bypass- Select Your Distro from prompt like below –
- It will download and install necessary files and packages required automatically now.
- once done it will ask you to connect your phone to computer in BROM Mod, connect it
- once it detect your device, it will lunch Smart Phone Flash Tool automatically, Load Download Agent from “Required Download Agent” folder and scatter file from the firmware you downloaded.
- Click Download, wait until Success. done
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