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New Qualcomm exploit chain brings bootloader unlocking freedom to Android flagships
(www.androidauthority.com)
This is a most excellent place for technology news and articles.
Unfortunately seems to be an oversight in the implementation of new software locks and their requirements, and is fully patchable. Xiaomi has seemingly already released patches in China as per the article, so this is moderately disappointing for anyone who wants a cutting edge, bootloader-unlocked device.