T-Mobile OnePlus 7T Pro McLaren with unlocked bootloader won’t get OxygenOS updates

WRITTEN BY: supportmymoto.com STAFF

The OnePlus 7T Professional McLaren Version is the end result of OnePlus’s smartphone efforts for 2019. An ultra-smooth 90Hz show and a Snapdragon 855 Plus for its guts are simply a few of the options included in OnePlus’s latest premium gadget with McLaren’s branding, design, and backing. It additionally appears gorgeous inside and outside. And OnePlus gadgets have been extraordinarily standard for growth in our boards, one thing that can also be the case for the 7/7T collection. Apart from the truth that for those who received your OnePlus 7T Professional McLaren Version gadget by means of T-Cellular and also you’re planning to unlock its bootloader and root it, it’s possible you’ll not wish to accomplish that except you don’t thoughts lacking out on OxygenOS updates fully.

In case you’ve modified a OnePlus gadget earlier than, you’d know that it’s solely doable to replace them utilizing full system OTA zips once you unlock the bootloader, whereas you’ve the choice of utilizing smaller, incremental ZIPs when it’s locked. For a fast primer of why does this occur, it’s mainly as a result of incremental OTA ZIPs require all read-only partitions, akin to /system, /vendor, /boot and /product, to be fully unmodified—one thing that may’t be assured anymore when the bootloader is unlocked, since bootloader unlocking permits for rooting (ie. modifying the boot picture).

OnePlus 7T Professional XDA Boards

Inside the /information partition is an img file referred to as reserve.img. It comprises a couple of OxygenOS apps that aren’t crucial for the gadget besides, however it’s mounted at /system/reserve at boot. Since unlocking the bootloader wipes the /information partition fully clear, the reserve.img file, which is saved in that partition, goes with it as effectively. Since this file not exists, the cellphone can’t mount it within the /system partition, so it technically turns into tampered. And if it’s tampered, then the cellphone can’t take incremental updates. Usually, the OxygenOS updater app can get round this by itself: it detects in case your cellphone is unlocked/rooted and downloads full firmware ZIPs, which could be flashed no matter whether or not it’s unlocked/rooted or not because it overrides all read-only partitions anyway.

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So what’s the issue right here? The T-Cellular OnePlus 7T Professional McLaren Version, not like most different OnePlus gadgets, doesn’t have full firmware ZIPs accessible from OnePlus’s web site. So with an unlocked bootloader barring you from taking incremental updates and no full ZIPs to take, you may be caught on no matter OxygenOS construct your cellphone is operating for those who determine to drag forward and unlock your bootloader. The common OnePlus 7T Professional does have full ZIPs accessible for downloading, however you’ll be able to’t take these on this gadget because it’s carrier-branded and it’s T-Cellular – not OnePlus – who’s accountable for the gadget’s OxygenOS firmware.

Now, for those who don’t care about OxygenOS and solely intend to flash GSIs or different AOSP-based customized ROMs, then this subject received’t cease you in any manner. Nonetheless, for those who ever want to totally restore your gadget to inventory, you’re presently out of luck. Thus, we actually hope T-Cellular and OnePlus are capable of present full ZIPs or one other type of restoration for this gadget quickly.


Replace: This text was up to date to appropriate details about reserve.img and the truth that this subject doesn’t have an effect on the flexibility to flash customized ROMs.

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