Two weeks ago, OnePlus released the OxygenOS Open Beta 3 test firmware for OnePlus 8 and OnePlus 8 Pro. As it turned out, in
What is known
Some device owners after installationupdates and reboots of smartphones lost all data. Moreover, many victims did not even have the opportunity to avoid this, since their devices rebooted automatically. There were also those who tried to roll back to the old version of OxygenOS 10, and then flash OxygenOS 11 Open Beta 3 again, but this did not help. All information was deleted again.
OnePlus has already acknowledged the problem and issued a recall.firmware If you managed to install the update, but your device has not yet rebooted, then the manufacturer recommends installing this application, then creating a backup and only then rebooting your smartphone.
Source: Android Authority
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