SM-T290
LineageOS Wiki - Info about gtowifi
XDA Developers - [ROM][OFFICIAL][13] LineageOS 20.0 for the SM-T290 (gtowifi)
XDA Developers - [RECOVERY][UNOFFICIAL] TWRP 3.7.0 for 2019 Galaxy Tab A 8.0 [SM-T290]
SM-T280
[RECOVERY][TWRP-3.4.0-3] Samsung Galaxy Tab A 7.0 - SM-T280 (gtexswifi)
[RECOVERY][ROOT][TWRP 3.2.1-1][Magisk v14] Samsung Galaxy Tab A6 SM-T280/SM-T285
[Recovery][T580] Official TWRP for Galaxy Tab A 10.1 WiFi 2016 (gtaxlwifi)
2021 ROM 7.12 for Samsung Tab A6 T280 LineageOS #Mone