Karbonn Sparkle V Hardreset + Bootloader unlocking + custom recovery

Download ADB Fast Boot Driver Here

* 1st put yur mob in fastboot mode by holding
vol up+ pwr (for choose option use vol up for select vol dwn)

* Open adb folder hold shift right to open command window here

*Enter Below given command

Fastboot devices (check mobile detected or not 1st)

fastboot oem unlock (check yur mobile to select )

fastboot format userdata

fastboot reboot

*After reset if yu need relock yur bootloader again

fastboot oem lock

Procedure for recovery installation

Download recovery here cwm recovery phlz recovery

* Copy the recovery.img to adb folder

* Run below given command after unlock bootloader

fastboot flash recovery recovery.img