Since you won't be able to update your Sony Xperia Z3 to the latest Android 7.0 Nougat, we thought to search forsome custom firmware for the device. AOSP Android 7.0 custom ROM for Xperia Z3 gets you a completestockNougat experience right on your Z3. Follow this guide to update Xperia Z3 to Android 7.0 AOSP custom ROM.
Prerequisites to update Xperia Z3 to Android7.0 AOSP
Backup any important datafrom your Sony Xperia Z3 as a complete wipe will be required during the flashing process.Make sure ADB and Fastboot is configured on your PC.Sony XperiaZ3 must berooted with unlocked bootloader and installed with a recovery tool.Your device must be charged to at least 60% of power.
How to update Xperia Z3 to Android 7 Nougat ROM
Required files: download Android 7.0 AOSPcustom firmware for Xperia Z3and save it on your computer. Extractboot.imgfile separately.
Connect your Xperia Z3 to your computer using a USB cable and copy the zip file to your phone memory's root folder.Copy theboot.imgfile toandroid-sdk-windows\platform-toolsdirectory.Switch off your Xperia Z3 and disconnect the cable.Now enter Bootloader mode: press and hold theVolume Upbutton while connecting the phone with a USB cable. Phone LED will turn blue indicating the Bootloader mode.Now, on your PC, navigate toandroid-sdk-windows\platform-toolsdirectory and open Command Prompt withShift+Right-click>Open Command Prompt.Runthe following commands:fastboot flash boot boot.imgpress Enter.fastboot rebootand press Enter.Enter in the Recovery Mode: switch onthe phone while pressing theVolume Upbutton a few times.Wipe data tasks: from the CWM recovery menu, selectwipe data / factory resetand confirm the process. Also from Advanced,wipedalvikcache. Finally,clean cache fromwipecache partition.From recovery menu, selectinstall zip fromsdcardfollowed bychoose zip from sdcard.Locate the Android 7.0 AOSPcustom firmware and confirm the flashing process.Once done, return back to main recovery menu and reboot yourXperia Z3 into the new custom ROM.First boot takes a good 5 minutes so please be patient.
Enjoy Nougat on your Xperia Z3 and don't forget to share your favorite Nougat ROMs with us.