hi, i have a Karbonn A26 4.1.1 , after rooting and used for 3 years. But mistakenly once I deleted one file from boot. Now it's not powering up i have a Karbonn A26 4.1.1 , after rooting and used for 3 years. But mistakenly once I deleted one file from boot. Now it's not powering up. I gave to service centre , they told it's waste , throw it. I still have ROM but tried flashing but it's not responding. Light switches on , it power ups but won't connect. Anyone please tell me how to recover that "bricked" phone
Follow these steps:


Download a custom ROM for your mobile model.
Android flashing application
Download device drivers.
Now flash the mobile by connecting a USB cable to your system.
Run the application and then you have successfully flashed your mobile.