Acer Liquid Z530 Stock Firmware (flash file) free download from below direct link. File contains Firmware, Flash Tool and instruction.
Acer Liquid Z530
Acer Z530 Android smart phone built in with Mediatek chipset MT6735. Use SP Flash Tool for flash Firmware on this device.
How To Flash
Step 1: Download and extract Firmware on your computer.
Step 2: After extracting you will find Firmware inside folder.
Step 3: Install Mediatek MTK USB drivers (skip this if driver already installed).
Step 4: Open the SP Flash Tool and load Scatter file from Firmware folder.
Step 5: Click on Upgrade / Download button for begin the flashing.
Step 6: Connect your device to the Computer using USB.
Step 7: Download OK new popup window will appear at the end of successful flash.
Learn More How To Flash
[*] All Firmware Android Version: v5.1 Lollipop
[*] Important Note: Take a backup before flashing Firmware / ROM / Flash File on your device. As this help you to recover database when any thing wrong happens also including (music, videos, apps and images).