AOSP brings latest custom firmware based on Android 7.1 Nougat for Sony Xperia Z2. Now Xperia Z2 users can enjoy the latest Android OS version. Xperia Z2 or Z3 will not be updating to the latest Android OS mentioned by Sony earlier, but the developers build this amazing Custom ROM for Xperia Z2. Android 7.1 Nougat AOSP custom ROM is a very stable and fully stock Android based so don’t expect anything fancy here. This is not an official ROM released by Sony, but it is a custom ROM which is developed by the third-party developers.
In this guide; we will tell you that how to install Android 7.1 Nougat AOSP Custom ROM on your Xperia Z2 using CWM recovery. All you need to have the latest version of a custom recovery like CWM or TWRP on your phone pre-installed, to flash the ROM .zip file. Before proceeding to the installation guide, don’t forget to take a full backup of all your important data because while installing this Android 7.1 Nougat based custom firmware, your entire data will be wiped clean like a brand new phone. If you are interested, then go ahead and follow the given steps.
This given guide containing the AOSP Android 7.1 Nougat ROM is only working with Sony Xperia Z2. Do not apply this guide on any other or incorrect variant, as a result, the device might get bricked. You can verify the model number of your device by going to Settings > About Phone.
AndroidXDA.net will not be responsible for any damage occurred to the device during or after the installation of this AOSP Android 7.1 Nougat ROM on your Xperia Z2. Proceed at your risk.
Before Getting Started:
- Take a proper backup of all your important data like your SMS, MMS, APN Settings, Call Logs, Contacts and media files, etc. with a recommended custom recovery such as TWRP recovery. In case anything goes wrong then you’ll be able to restore your data.
- Download and configure ADB and Fastboot on your PC. Get the full Android SDK from here.
- Download and install Sony Xperia Z2 (Sirius) USB Drivers on your PC.
- Enable USB debugging on your Xperia Z2 by going to Settings > Developer Options.
- Make sure that you have at least 80% of battery charge on your device before proceeding to the installation guide.
Steps to Update Sony Xperia Z2 to Android 7.1 AOSP Nougat Custom ROM:
Step No 1: – First, download AOSP Android 7.1 ROM on the desktop of your PC for Sony Xperia Z2.
Step No 2: – Extract boot.img from the zip file separately.
Step No 3: – Now, plug your phone with PC using its USB data cable and mount its mass memory.
Step No 4: – Transfer the downloaded Android 7.1 ROM zip and Google Apps package .zip files to the root folder of your SD card on the phone.
Step No 5: – Also, copy/paste the boot.img file to android-sdk-windows\platform-toolsdirectory on your PC.
Step No 6: – Power OFF the device to boot into Bootloader Mode.
Step No 7: – Power ON the Z2 by pressing and holding Volume Up button while connecting it again with the USB cable. The phone LED will turn blue, and it will get into the Bootloader Mode.
Step No 8: – While the phone is in Fastboot Mode, go to android-sdk-windows\platform-tools directory on the PC and within the folder, open Command Prompt.
Step No 9: – Type the following command and press Enter.
Step No 10: – Next, type this command and hit Enter.
Step No 11: – Once in the Recovery Mode. Turn ON the Xperia Z2 while pressing the Volume Up or Volume Down buttons a few times till the LED light turn pink or any other colour.
Step No 12: – Once you are in ClockworkMod Recovery, select perform a full data wipe by selecting “wipe data/factory reset” as shown below. Use the Power button to select everything while in the Recovery Mode.
Step No 13: – Perform a cache wipe by navigating to “wipe cache partition”.
Step No 14: – Its recommended to perform a wipe of your Dalvik cache. Wipe Dalvik cache will help to prevent facing boot loops or any other errors.
CWM Recovery -> Advanced -> wipe dalvik cache.
Step No 15: – Go back to the main menu of Recovery, select “install zip from SD card”. Now select “choose zip from sd card”. You can use volume keys to navigate to the Android 7.1 ROM zip file that you have already transferred to the root folder of your SD card. Select it using the Power button and confirm the installation to begin.
Step No 16: – Repeat the above-given process to install Google Apps package on your Z2.
Step No 17: – Once the installation is completed, navigate to “+++++Go Back+++++” and reboot the phone by selecting “reboot system now” from the recovery menu.