Lava Z1 Stock Firmware Flash File Download This Lava_Z1_SC806L Firmware, PAC file can be used with any service tools capable of Flashing PAC file on SpreadTRUM Android Devices. Stock firmware are mostly needed to either upgrade or downgrade your Lava Z1. It can also be needed to simply flash your Lava android device in order to correct certain software issues or malfunctions on the phone. Here on this page I have contained the download link for the complete Lava Z1 Stock ROM, PAC file which can be used to flash factory OS back to your Lava Z1. How to Download Latest Firmware and Flash Lava Z1 with this PAC File 1. Download SPD Download Tool from here and install it on your PC. Also, it is a must to install SpreadTRUM Android drivers on your PC. You may Download SpreadTRUM Android Drivers here 2. Download your Lava Z1, latest firmware pac File from here. 3. Open the SpreadTRUM Flash Tool you downloaded from the link above. It is compressed in a zip file, simply extract it onto a folder...