The firmware of the phone does at that stage if the phone is working slow or completely break due to its firmware. After successful flashing your phone will be restored in its original settings and you will lose your data.
Remember: Please take a backup of your data which is on your phone. Because after flashing you will lose it and the phone should be restored in its original settings. You can safely restore your data to the phone after flashing.
Now you can download the latest firmware of your phone by just following download links below. If you are unable to download it from provided links, you can contact us at any time anywhere.