To flash your Karbonn Titanium S15, you need to download the Karbonn Titanium S15 stock ROM whose download link is enclosed within here, then, follow the step by step instructions below to flash stock firmware on your Karbonn Titanium S15.
Please note that flashing this Stock ROM Firmware on your Karbonn Titanium S15 will format and restore your device to factory defaults settings, hence, making you loose all the files therein. Therefore, you are advised to make a backup if you need to retain your files and data.
Note: If your Titanium S15 is already bricked and you want to unbrick it, you will need to pay closer attention to the tutorials contained below here.
Karbonn Titanium S15 Stock ROM Firmware Download Link(s)
1. Karbonn Titanium S15 v13 (v05 USR) Stock Firmware
How to Flash Stock Firmware On Karbonn Titanium S15
1. Download your Karbonn Titanium S15 stock ROM firmware from the link above.
2. Extract the Karbonn Titanium S15 Firmware you downloaded from the link above onto a folder on your PC.
3. Download and install Spreadtrum android device drivers on your PC. You may skip this step if you have installed spreadtrum drivers on your PC already otherwise, download SPD drivers from here
4. Now, choose either of the tools listed below here to load the stock firmware on your Karbonn Titanium S15.
Note
1. Each of the tools listed above contained step by step guides with illustrated pictures on how to flash stock firmware on your Karbonn Titanium S15.
2. If you require any further assistance, simply drop your comment detailing the issue(s) and I shall help you revive your Karbonn Titanium S15, if need be.