How To Update Sony Xperia Arc To Android Lollipop

Find out How To Flash/Install/Update Sony Xperia Arc To Android Lollipop with CyanogenMod 12 Custom ROM easy method and instructions. The update support for this device has been officially discontinued. the developers at CyanogenMod have come up with Lollipop Custom ROM for Sony Xperia Arc. Now all Xperia Arc users can enjoy Lollipop in there device. If you want the same just follow the simple steps given below.


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Below are some warning statements that you must be knowing before preparing to Root or Install Custom Rom in your Android Smartphone:

  • Rooting/Installing Custom ROM is not an authorized process hence you’ll be losing all your warranty benefits over your device after Rooting/Installing it.
  • There are certain risks of damaging your Android Smartphone while Rooting/Installing Custom ROM in it. Hence, it is recommended that you proceed at your own risk and we are not to be held responsible even if your Smartphone gets damaged during or after completing the Rooting/Custom ROM installation process.
  • You might not receive any future official software or firmware updates after rooting and installing Custom ROM in your device.

Before You Begin:

  • Make sure your Xperia Arc is fully charged (60-70% minimum).
  • Your device must be rooted.
  • Make sure TWRP Custom Recovery is installed in your device.
  • A computer with Fastboot installed along with ADB drivers.
  • Backup your apps and other data (You have to wipe your device during the flashing process).

Download Required Files:

How To Update Xperia Arc:

  • Follow all the steps given above first for safe update.
  • Boot your device into the Fastboot mode to flash the kernel. To do so, power off the phone. Then hold the volume up button and plug USB into your PC to boot into fastboot. The blue led on your phone will glow signifying it has successfully booted into fastboot mode.
  • On your PC extract the downloaded CM zip. Inside you’ll find the boot.img file.
  • From fastboot, push the file to your device by executing the following code
    fastboot flash boot boot.img
  • Once that part is complete, we will now have to reboot fastboot using this command fastboot reboot
  • Now boot your device into recovery mode.Power off your device. The while you power it on, while booting led will be violet for 3 seconds, during this period press volume up.
  • Backup your current ROM from your custom recovery.
  • Do a complete wipe, data and cache.(includes Dalvik Cache).
  • Navigate to your SD Card and select the ROM zip file. Flash the ROM.
  • After flashing Custom ROM zip file, navigate to GAPPs in your SD card and flash it too.
  • Now reboot your device (First boot may take few minutes).

Root : From CM 12 root permissions can be enable by going into settings>developer settings.

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