Could you tell me the of your device? I can then help you find the correct firmware version and the specific tools needed (like Odin for Samsung or Flashtool for Sony) to install it. Download Lollipop Firmware via XperiFirm | PDF - Scribd
: A document on Scribd explaining how to download and install this custom Android 5.0-based ROM on compatible devices. Important Support Note android 5.0 lollipop firmware download
: A technical reference on Scribd for flashing factory images onto Nexus 5 and 7 devices. Could you tell me the of your device
: Official open-source packages for Android 5.0 Lollipop firmware for various Lenovo tablets and smartphones, including the Lenovo A5000 and YOGA Tablet 2 . Important Support Note : A technical reference on
: A 17-step technical guide for using the XperiFirm tool and Flashtool to manually update Sony Xperia devices.