Published: Early 2021 (Updated for historical context)
After updating, you can expect a build number similar to TB-X704F_S001037_210111_ROW (ROW stands for Rest of World – international firmware). The numbers indicate the year/month of the security patch.
The Lenovo Tab 4 10 Plus (TB-X704F) reached its official end-of-life for major Android updates well before 2021. While the manufacturer no longer provides official software upgrades beyond its original lifecycle, 2021 was a significant year for the enthusiast community, which brought newer versions of Android to this aging hardware through unofficial means. Official Support Status in 2021 lenovo tbx704f android update 2021
When initially released, the tablet ran Nougat, which was already outdated by modern standards. This made the promise of updates critical for longevity.
Before we dive into the update, let's quickly review the specifications of the Lenovo TBX704F: Lenovo TB-X704F Android Update 2021: The Complete Guide
Update Availability: No official Android 9.0 (Pie) or higher updates were released for this specific model.
In 2021 the Lenovo TB-X704F received limited and uneven Android updates: security patches appeared sporadically while major Android version upgrades depended on SKU and region. Enthusiast communities provided pathways to newer Android versions, but those involved technical risk and potential functional compromises. Owners should first seek official OTAs, resort to manual methods only with careful preparation, and consider device replacement when long-term updates are needed. While the manufacturer no longer provides official software
Q: How do I check for updates on my Lenovo TBX704F? A: Go to Settings > About tablet > System update.