Samsung Galaxy Tab A7 10.4 2020 (LTE) SM-T505
Device CodeName: gta4l
Version of Stock which existed previously: T505XXS7CXB1 Binary BIT-7 (seven)
The device is Not rooted
It was to be expected that /e/OS-T V2.2, like the previous versions, cannot be installed with the current Samsung stock firmware T505XXS7CXB1 Binary BIT-7 (seven) as the cause of failure has not yet been corrected.
It’s a good thing that there are bug-free custom ROM alternatives. Bye-by/e/