Lenovo TB-8304F 2019-10-16 Factory TB-8304F_S000029_181015_ROW.rar 1.49 GB DownloadsProPro Global TB-8304F_S000027_180616_ROW.rar 1.49 GB DownloadsProPro Global TB-8304F_S000025_180314_ROW.zip 1.72 GB DownloadsProPro Global