(Reposted from Ramlert Online 2016) There are ways on how to root your phone,  it's either using pc or using your phone itself. But I will only teach you the most common and the best one in rooting which is rooting using an application like Kingroot via phone. Kingroot is most popular and powerful android rooting tool designed for android smart phones and tablets. Android kingroot is frequently updating and new features are added for a successful and complete android rooting. Download kingroot supports MedialTek processors powered android devices. Kingroot apk is simple and user friendly tool for installing custom recoveries and CWMs. Click Here  to download Kingroot. Or Visit kingroot.org. Guide in rooting your phone: » Go to “Settings” > “Security” > tick “Unknown Sources”. » Download kingroot apk file for mobile. Or if you have kingroot android apk on PC, then transfer it to mobile device. » Run kingroot android apk file. » Kingroot starts installing. » After installing, O

CM 12.1  for Acer Liquid  Z520  (unofficial) Ported by  Trelmar GC (Reposted from Ramlert Online on April 2016) Rom Link: ( Click Here ) Flashing this rom: I assume you already have a custom recovery installed. 1. Reboot your phone into Recovery mode. 2. Wipe Data/Factory Reset 3. Wipe Cache Partition 4. Advance/wipe dalvik cache 5. Head to the "Install ZIP from SD Card" 6. Navigate to the ZIP file you downloaded and select it to flash. 7. Wait for the process to complete; it may take a few minutes. 8. When you're done, you're free to reboot into your new ROM. Credits: Trelmar GC Michael Jay XDA Cyanogenmod » Take time to make questions, comments and suggestions. » Below are the screenshots. Required before flashing custom Rom: Click here  on how to root your phone. Click here on how to Install custom recovery.