Karbonn Titanium S5 hard reset using buttonsTurn off your phone. Press volume up key and the power key for 5 seconds, when the screen is turns from green to red release the volume key.
Recovery menu shows up.
Select wipe data / Factory reset with volume key.
Confirm with Power key.
Select yes -- delete all user data and press power key to confirm again.
After all is done press power to reboot system now.
After data wipe has completed you are done. reset Karbonn Titanium S5 Android phone done.
Note: After doing Karbonn Titanium S5 hard reset using buttons, do another reset from settings:
open Settings from the Applications menu. Tap Backup & reset > Factory data reset, click Reset phone and then Erase everything to format your phone
Karbonn Titanium S5 Factory DataIf you reset your phone to its factory settings, all of your personal data stored on the phone, including information about your Google account, any other accounts that you
have configured, your system and application settings, and any applications you have installed will be erased. Resetting the phone does not erase any system updates you
have downloaded. Using the check box provided, you can also select to erase all the data stored on your SD card or on the phone’s internal SD card, which includes files
that you have downloaded or copied there, such as music or photos.
If your phone is responding to screen input, then open Settings from the Applications menu. Tap Backup & reset > Factory data reset, click Reset phone and then Erase everything to format your phone.
On older firmware
1. On the Settings screen, touch Backup and Reset for Factory data reset.
2. When prompted, touch Reset phone, and then touch Erase everything. The mobile phone resets the settings to the original factory settings, and then restarts.