Onda V711D Stock Firmware (Flash File) The Flash File will help you Upgrade, Downgrade, or re-install the Stock Firmware (OS) on your Mobile Device. In addition, the Flash File (ROM) also enables you to repair the Mobile device if facing any Software Issue, Bootloop Issue, IMEI Issue, or Dead Issue. File Name: Onda_V711D_V1.4_17082012_OTA.zip How to Flash (install): Copy update.zip file to hone SD and flash it from the recovery menu. File Size: 208 MB (Mediafire)