Nexus 5 is the new creation of mobile manufacturer LG and the software giant Google. If you have rooted your Nexus 5 smartphone and wanted to install custom ROM, follow the given below procedure.
Before proceeding with the actual procedure, follow the given below pre-requisites without fail to avoid the unwelcome results.
1.First, you need to have root access on your device.
2.Also make sure, the custom recovery either (CWM/TWRP) is installed on your phone. If not first install the same and then come here to install custom ROM.
3.Next, enable the USB debugging on your phone by following the path “Settings >About > Build Version and tap it 7 times.” Then go back to Settings > Developer Options and enable the USB debugging mode. Although this step is not necessary to install custom ROM, keeping the USB debugging enabled always will good in unexpected situations.
4.Then download the custom ROM of your choice and recommended Google Apps package. Both the files come in zip and are not meant to be extracted. Copy both the zip files to your phone.
5.After that boot your Nexus 5 into the recovery mode. To do that manually, turn off your phone and press the Volume Up/Down button and Power button. You need to press all these three buttons simultaneously for few seconds. After that your phone will turn into the Bootloader mode. Now, press any of the volume buttons to scroll recovery menu. When you see that option, press the power button and select the option.
Procedure to Install a Custom ROM:
1.First, you need to backup your current ROM using the custom Recovery (In this article I have discussed TWRP recovery). To backup the ROM, just tap the Backup option and select the following elements : System, Data, Boot, Recovery, EFS.
2.After performing the backup, return to the recovery main menu and tap the wipe button and select advanced wipe > Dalvik cache > system > data > cache.
3.Again go to the recovery main menu again and tap the “Install” option. Go to the ROM file and select it.
4.Tap the confirmation button the installation process will begin in your Google Nexus 5 and finish the process within few seconds.
5.Once the ROM is installed successfully, tap the back button and select the Gapps ZIP package.
6.Once the Gapps zip package was installed in your phone successfully, tap the reboot button and then system button.
7.Once your phone was rebooted, you will see the bootscreen within few minutes. So, wait until you are greeted with the welcome setup screen.
That’s it! Enjoy the newly installed ROM on your phone.