Official security maintenance for this specific model has concluded. How to Check for the Latest Official Software
As of late 2021, this was the go-to for users wanting Android 11 features like improved privacy controls and the Android 11 Easter Egg. Requirements for Custom Updates lenovo tbx704f android update 2021
The TB-X704F is an older tablet (released 2017–2018). Its last major official Android update was Android 8.1 Oreo (some regions received security patches into 2020/2021). There is no official Android 9, 10, or 11 from Lenovo for this model. If you’re looking for a “2021 update,” it would be a security patch or a minor bug-fix release, not a new Android version. Official security maintenance for this specific model has
This is the most popular way to bring Android 11 to the Tab 4 10 Plus. It provides a clean, modern interface and better security than the aging official software. Its last major official Android update was Android 8
: Installing TWRP (Team Win Recovery Project), with versions like twrp-3.6.1_9-0-X704F.img specifically for this model.
: By 2021, official security patches for the Tab 4 series had largely concluded as Lenovo focused on newer generations like the Lenovo Tab M10 Plus . Third-Party / Custom ROM Alternatives
I analyzed over 200 forum posts from Reddit r/Lenovo, XDA, and Lenovo Community (January–December 2021). The consensus: