To flash your Karbonn A90, yous ask to download the Karbonn A90 stock ROM whose download link is enclosed inside here, then, follow the mensuration yesteryear mensuration instructions below to flash stock firmware on your Karbonn A90.
Please banker's complaint that flashing this Stock ROM Firmware on your Karbonn A90 volition format as well as restore your device to mill defaults settings, hence, making yous unloosen all the files therein. Therefore, yous are advised to brand a backup if yous ask to retain your files as well as data.
Note: If your A90 is already bricked as well as yous desire to unbrick it, yous volition ask to pay closer attending to the tutorials contained below here.
Karbonn A90 Stock ROM Firmware Download Link(s)
1. Karbonn A90 (RC05) Stock Firmware
2. Karbonn A90 (RC06) Stock Firmware
3. Karbonn A90 (RC06) Stock Firmware
How to Flash Stock Firmware On Karbonn A90
1. Download your Karbonn A90 stock ROM firmware from the link above.
2. Extract the Karbonn A90 Firmware yous downloaded from the link inward a higher house onto a folder on your PC.
3. Download as well as install Spreadtrum android device drivers on your PC. You may skip this mensuration if yous accept installed spreadtrum drivers on your PC already otherwise, download SPD drivers from here
4. Now, direct either of the tools listed below hither to charge the stock firmware on your Karbonn A90.
Note
1. Each of the tools listed inward a higher house contained mensuration yesteryear mensuration guides amongst illustrated pictures on how to flash stock firmware on your Karbonn A90.
2. If yous require whatever farther assistance, merely drib your comment detailing the issue(s) as well as I shall assist yous revive your Karbonn A90, if ask be.