Since Lenovo abandoned official updates, the custom ROM community stepped up. By mid-2021, stable Android 10 (LineageOS 17.1) and beta Android 11 (LineageOS 18.1) builds were available for the TBX704F.
In summary, 2021 was the twilight of official support for the Lenovo TB-X704F. The updates provided were strictly utilitarian—aimed at keeping the hardware secure and stable—but they did not provide the modern Android experience found on newer devices. Users requiring a more current Android version had to look toward third-party custom ROMs (such as LineageOS) or upgrading to newer hardware.
The TB-X704F originally shipped with . According to the Lenovo Android Upgrade Matrix , no further official major OS upgrades were scheduled for this device during or after 2021. lenovo tbx704f android update 2021
Flashing a new operating system completely wipes your tablet storage. Back up all photos, documents, and application data to an external SD card or cloud storage before proceeding. 2. Charge Your Battery
The Lenovo TB-X704F is a reliable device, and users are eagerly waiting for the next major Android update. While there's no official confirmation on the Android 11 update for the TB-X704F, we can expect Lenovo to roll out the update in the second half of 2021. In the meantime, users can check for updates regularly and ensure their device is running with the latest software. Since Lenovo abandoned official updates, the custom ROM
Breathing New Life into Your Lenovo Tab 4 10 Plus (TB-X704F) in 2021
Installing a custom ROM is not for everyone. It involves unlocking the device's bootloader, installing a custom recovery like TWRP, and then flashing the new operating system. This process: According to the Lenovo Android Upgrade Matrix ,
If you are still running the official Lenovo firmware, you can check for any available updates by going to: