Unlocking the bootloader breaks future updates on OnePlus 7T Pro 5G McLaren

The issue can also be triggered by a master reset.

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What you need to know

  • T-Mobile OnePlus 7T Pro 5G McLaren owners who have unlocked the device’s bootloader are not able to install new software updates.
  • Unlocking the bootloader causes the userdata partition to be completely wiped, deleting an ext4 filesystem image required to install new updates.
  • OnePlus is yet to officially acknowledge the issue.

OnePlus smartphones always receive a lot of love from the developer community. However, that is not the case for the T-Mobile locked OnePlus 7T Pro 5G McLaren sold in the U.S. That said, OnePlus still lets you easily unlock the device’s bootloader if you wish to root it. However, doing so would mean you will no longer be able to install new updates on your phone.

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Several owners of the T-Mobile OnePlus 7T Pro 5G McLaren have reported on OnePlus Community forums that they are unable to install new software updates on their phones. As reported by Android Police, the issue is caused by the fact the bootloader unlock process wipes the userdata partition, which is where OnePlus stores an ext4 filesystem image that is required to install new updates.

Unfortunately, the critical file can also get deleted when you perform a master reset, even without unlocking the bootloader. Until OnePlus fixes the issue, the only solution right now is to gain root access and restore the file. While there is no word yet on exactly when a fix will arrive, T-Mobile has started alerting users about the issue.

OnePlus 7T Pro 5G McLaren

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$37.50/mo. at T-Mobile

Featuring a unique glass back with orange accents and textured pattern, the OnePlus 7T Pro 5G McLaren is a stunning Android flagship phone that excels in nearly every area. It runs on the Snapdragon 855+ processor, has a large 90Hz Fluid AMOLED display, and comes with a versatile triple camera setup at the back.