
Samsung users looking to root their Galaxy Z Fold 3 have found that doing so causes the phone's cameras to
Samsung seems to be trying to dissuadeusers from modifying the software on their new Galaxy Z Fold 3, giving them a message that unlocking the phone's bootloader would render the phone's cameras unusable. This is not the first time that phone makers have resorted to such tricks, but it seems to be an escalation of Samsung's fight against users who want complete control over their phones.
An XDA Forums user confirmed that afterunlocking the bootloader of the Z Fold 3 camera was completely non-functional: including face recognition did not work, and downloading and using third-party camera applications did not help. The user reports that after locking the bootloader back, the cameras started working again.

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Samsung has previously been somewhat unfriendlyposition towards modders. Samsung's Knox documentation says that if you root your phone and flash it with an unofficial build of Android, everything related to Knox security will be disabledforever and everand will only be restored when the phone hardware is replaced.
This means that if you root your Samsung phone, features like Samsung Pay and Secure Folder will never work again.To be clear, this won't happen if you justunlock your phone's bootloader – this will only happen after making changes to the phone's OS. Although unlocking the bootloader in itself does not make much sense, so the difference is small.
Source: androidpolice
Illustrations: 白い熊 on XDA Forums
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