This is the gold standard for this tablet. It strips away all Lenovo junk. The interface is snappy (for a 1GB RAM device). Nougat’s split-screen works, but don’t expect miracles. Wi-Fi, Bluetooth, audio, and sensors all work. The biggest improvement is Doze mode , which gives you decent standby battery life (2-3 days idle).
However, the joy of turning a 2014 tablet into a functional 2025 device cannot be overstated. The community’s work on the MediaTek MT8382 is a testament to open-source persistence.
First, verify which model of the Lenovo A8-50 you own. Settings > About Tablet will show you: Lenovo A5500-hv Custom Rom
Ensure your tablet is charged to at least 70% to prevent it from powering off mid-flash.
Before changing your system software, create a complete backup. If anything goes wrong, you can restore your tablet to its exact prior state. This is the gold standard for this tablet
There is no official build of LineageOS for the A5500-HV. Mentions of "Lineage" for the A8-50 series are rare, and users have reported bugs, such as Wi-Fi not auto-connecting, when attempting to run unofficial builds from different models (like the A5500-F).
Select Install , choose the ROM zip file, and swipe to flash. Nougat’s split-screen works, but don’t expect miracles
The most reliable source for working custom ROMs for this device is the Russian Lenovo forums (4PDA) or the ZOL resource post by "红莲花". The ROMs available there have been tested and verified by the community. Avoid generic "ROM aggregator" sites.
Boot into your custom recovery (TWRP) by holding while the device is off. Select Backup .