The Sony Xperia Sola users can now upgrade their device with the Kit Kat 4.4 Firmware. Although Sony not yet officially released this update for this device, you can update the same by using custom ROM firmware.
This new Kit Kat 4.4 firmware comes with many new goodies. Please be aware since, this is a custom ROM you must root your device and rooting will void the warranty of your phone. This procedure is working only on the unlocked device so make sure your phone was unlocked.
1.This rooting procedure will wipe your data. So, it is recommended to take a full backup of important data’s using appropriate backup applications. Plenty of apps are available in Google Play Store and Android Market to backup the data’s. So, download the one that is convenient for you and backup the data’s.
2.In addition to the SMS, MMS, Call register, Contacts, Images, Videos and Files you are recommended to note the APN and MMS settings also. Because, this too may get deleted once you root your phone. These settings are important while you are using so note down that.
3.Finally, check the battery percentage level of your phone and make sure it is not less than 75%. If it is low, it may get switched OFF during the middle of the process.
Disclaimer : Follow the given below procedure at your own risk. I would not be held responsible/liable for any damage.
Procedure to update Sony Xperia Sola With Kit Kat 4.4 Firmware:
1.First download the Cyanogen Mod 11 and Google Apps package to your computer.
2.Once you have downloaded the file, connect your Sony Xperia Sola mobile to the computer using original USB cable and copy the downloaded file in your phone.
3.After that, you must enter your phone into the fastboot mode. To enter into that just hold the Power Down button and Volume Up button simultaneously. While you connect your phone to the computer press and hold the Volume Up button.
4.Once the LED turns into blue color on your phone, open the fastboot folder in your computer.
5.Again open a “Command Window” inside the fastboot folder and type the given command:
fastboot flash boot boot.img
6.Once the message appeared, disconnect your phone from the computer and turn it ON while pressing the Volume Down Key continuously.
7.Now, select “Backup and Restore > Backup” option. It will save your current ROM.
8.After that perform a wipe by selecting “wipe data/factory reset” option and “wipe cache partition” option and then select “advanced > wipe Dalvik cache”.
9.After that install the Cyanogen Mod by selecting “install zip from SD card > choose zip from SD card” and select the downloaded cyanogen mod 11 file which you have already placed on your device.
10.Once you have found the file, just confirm the installation.
11.Proceed the same procedure to install Google Apps package also in your phone.
12.Once the installation process was completed, just navigate back to the main menu and select the “reboot system now” option.
13.The device will take few more minutes to reboot and also to reach the home screen.
That’s it! Now, you have successfully rooted your phone. To check the status, just download the Root Checker app from Google Play Store and check the same.