Xperia Z2 Tablet SGP512 Android 11

The official update for the Xperia Z2 Tablet SGP512 is Android 5.1.1, but it has been installed with an Android 11 ROM.
Therefore, the conventional One-Seg/Full-Seg functions are not available. This is recommended for those who:

・Want a lightweight and thin tablet with a large screen (10.1 inches)
・Want to use videos, still images (manga, etc.), music, news, Google search, etc. quickly and comfortably
・Do not watch One-Seg or Full-Seg
・Want to use it as a sub-screen for a notebook PC with the app spacedesk (Win8.1 to Win11)

【System】
・Android 11
・ROM/RAM: 32B/3GB
・CPU: Snapdragon 801 2.3GHz (4 Core)
・Display: 10.1 inches (1,920 x 1,200)
・Battery: 6000 mAh
・Weight: 426g
・Wifi model
・Bootloader unlocked

【Appearance】
・Screen: Protective sheet is attached. There are scratches on the protective sheet, but they are not noticeable during display. There are no scratches on the screen itself.
・Frame: There are scratches and scuffs on the sides and back due to use, but there is no deformation. There are no missing port covers and no stickiness on the back.

【Functionality Check】
・Wifi: OK
・Speaker: OK
・Earphone: OK
・Camera: OK
・Screen rotation: OK
・Touch failure: None
・Other basic operations should be fine.

【Other】
・The battery seems to be still good. I was able to watch videos via Wifi for over 6 hours, but this is not guaranteed.
・The method to force shutdown this model is to press the power button and volume up button simultaneously.
・The USB port is Type B.
・There are no accessories.
・If you leave a comment, I will respond to installation tests of the apps you want to use, and other questions.
・Immediate purchase is also welcome.

Thank you.