Upgrading to a custom ROM requires wiping all data on the internal storage.
Transfer the downloaded ROM and GApps zip files to an external MicroSD card inserted into the tablet.
Add the OpenGApps zip file to the queue, then swipe to confirm the flash.
In conclusion, the tale of the Lenovo TB-X704F in 2021 is a mirror reflecting the broader consumer electronics industry’s uneasy relationship with sustainability. The tablet itself was a perfectly capable machine—its 10-inch display and Snapdragon processor could still browse the web, play videos, and handle email. But the lack of an official Android update artificially crippled its utility. The query is ultimately an epitaph for a device that was killed not by broken hardware, but by expired software support. It serves as a stark reminder to consumers that when purchasing a budget Android device, you are not buying a computer; you are renting a license to participate in the ecosystem until the manufacturer decides your season is over. For the TB-X704F, that season ended in 2021.
Before diving into updates, it is crucial to clarify the hardware. The TBX704F is the of Lenovo’s mid-range Tab 4 10 series. It features:
According to official Lenovo support documentation, the The Final Official Firmware
Lenovo officially ceased software support for the TB-X704F prior to 2021. Android 8.1 Oreo. Original Launch OS: Android 7.1 Nougat.
The tablet lacks modern security patches, making it vulnerable to newer exploits if used online without precautions. Unofficial Update Options (Custom ROMs)