Lenovo TB-8504X | Tab 4 8 4G [Stock Firmware]

Android	Build Number	Carrier	Flashtool	Release Date	Size	Buy
8.1.0	S001031_1912041525	Open	Qualcomm	December, 2019	2.32 GB	$1.49 – Purchase Checkout Added to cart
8.1.0	S001024_1909061423	Open	Qualcomm	September, 2019	2.28 GB	$1.49 – Purchase Checkout Added to cart
8.1.0	S001022_1908060947	Open	Qualcomm	August, 2019	2.28 GB	$1.49 – Purchase Checkout Added to cart
7.1.1	S000057_1809120253	Open	Qualcomm	September, 2018	2.84 GB	$1.49 – Purchase Checkout Added to cart
7.1.1	S000046_1711250620	Open	Qualcomm	November, 2017	2.83 GB	$1.49 – Purchase Checkout Added to cart
7.1.1	S000037_1709100629	Open	Qualcomm	September, 2017	2.66 GB	$1.49 – Purchase Checkout Added to cart