Original topic:

SM-T290 unable to roll back update

(Topic created: 2 weeks ago)
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Members_wibKPy9
Asteroid
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Tablets

Why would you  build anti-rollback into this bootloader? You knew this tablet couldn't handle android 11.  I understand pushing updates to a newer version, taking a chance that the device can't handle it. But on a device where people more than likely can't afford to have their device killed/phased out/apple-ized. Why would you anti-roll back? There are devs pleading to support this device. Yet you killed it. Don't recommend me to the samsung dev chat. They only do what they are told. The brand is at fault. 

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Ekamek
Black Hole
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Tablets
It's an Android problem, though. Wish it could be easy to roll back.
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Members_wibKPy9
Asteroid
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Tablets

This is not an Android problem. This is a Samsung problem. They pushed an update to the bootloader that locks it, even from previous factory images. Greed. 

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Ekamek
Black Hole
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Tablets
I have used several OEM devices that do not allow rollback unless running rooted firmware if OEM Unlock option is available on the device. This, of course, means the device isn't Play Protected.
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kansaa
Asteroid
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Tablets

Go to Settings > About tablet > Software information and check the latter part of the 'Build number' number. What does it say?

Where/how did you get the stock firmware package for your Tab A?

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Members_wibKPy9
Asteroid
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Tablets

It's the latest unfortunately. It's locked. I have seen a few promising posts in the last few days though. With a patched vbmeta it may be possible to run a gsi. Will play around with it this weekend. 

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