Evercoss Tab Winner S3 AT7F Firmware 4.9/ 5 rating (9 votes) Brand: Evercoss Last update: 20 February 2017 Views: 747 Download Official firmware Evercoss Tab Winner S3 to fix bootloop, crashing apps, os update, patch system, optimize security, fix bug, etc. Use Factory Tool for update firmware your phone. SOFTWARE INFORMATION Model Number AT7F Operating System Android Lollipop Android Version 5.1.1 Build Number Evercoss AT7F V08 Build Date 2016 06 24 - 18:32:07 DOWNLOAD FIRMWARE http://www.mediafire.com/file/fl1uabimewu8zq4/Smartphones.How_AT7F_7_PX7S706RR220_002_G_fix_FB.rar DOWNLOAD FACTORY TOOL http://www.mediafire.com/file/99bnmhd8wv76avg/FactoryTool_Setup_V1.25_0630.rar DOWNLOAD FLASH USB DRIVER http://www.mediafire.com/file/n4dsubs6dlr29l7/FlashUSB_Driver.zip