Karbonn Smart Tab 7 Tornado Hard Reset

Hard Reset:

• Press and Hold Volume Down + Power key for.
• Release power key but keep hold Voulme Down key for 10 sec.
• Now you see recovery menu.
• select wipe data / factory reset and select yes.
• now reoot device

Karbonn Smart Tab 3 Blade Hard Reset

Hard Reset:

• Press and Hold Volume Down + Power key for.
• Release power key but keep hold Voulme Down key for 10 sec.
• Now you see recovery menu.
• select wipe data / factory reset and select yes.
• now reoot device

Karbonn Smart Tab 2 Jelly Beaner Hard Reset

Hard Reset:

• Press and Hold Volume Down + Power key for.
• Release power key but keep hold Voulme Down key for 10 sec.
• Now you see recovery menu.
• select wipe data / factory reset and select yes.
• now reoot device

Karbonn Smart Tab 10 Cosmic Hard Reset

Hard Reset:

• Press and Hold Volume Down + Power key for.
• Release power key but keep hold Voulme Down key for 10 sec.
• Now you see recovery menu.
• select wipe data / factory reset and select yes.
• now reoot device

Karbonn A30 Hard Reset

Hard Reset:

• Press and Hold Volume UP + Home + Power key.
• you see recovery options.
• select wipe data / factory reset and selcet yes.
• now reboot device.

Karbonn Smart Tab 1 Hard Reset

Hard Reset:

• Press and Hold Volume Down + Power key for.
• Release power key but keep hold Voulme Down key for 10 sec.
• Now you see recovery menu.
• select wipe data / factory reset and select yes.
• now reoot device

Karbonn S5 Titanium Hard Reset

Hard Reset:

• Press and hold VOLUME UP + POWER KEY
• now you see green screen don't release volume up key
• after 10 seconds you see red screen, now release Volume up key.
• now you see recovery options.
• select wipe data with factory reset and press power key for 2 sec.
• now select yes -- delete all user data and press power key for 2 second.
• now reboot device.

Karbonn S1 Titanium Hard Reset

Hard Reset:

• Press and Hold the volume up key+ power button at the same time until a green screen appears. (this is the fastboot mode)
• Keep holding until screen turns red (recovery mode)
• Navigate using hardware buttons (power to confirm selections)
• select wipe data / factory and selct yes
• Now reboot device.

Karbonn A9+ Hard Reset

Hard Reset:

• Press and Hold the volume up key + power button at the same time until a green screen appears. (this is the fastboot mode)
• Keep holding until screen turns red (recovery mode)
• Navigate using hardware buttons (power to confirm selections)
• select wipe data / factory and selct yes
• Now reboot device.

Karbonn A5+ Hard Reset

Hard Reset:

• Press and hold Volume UP + Power key it will show fastboot recovery in green screen.
• continue press and hold don't leave the keys until it shows recovery in red screen.
• as soon as red screen appears press home key and android logo will come.
• select wipe data/ factory reset and press power key to confirm
• now select yes -- delete all user data press Power key to confirm.
• now reboot device.

Karbonn A5 Hard Reset

Hard Reset:

• Press and hold Volume UP + Power key it will show fastboot recovery in green screen.
• continue press and hold don't leave the keys until it shows recovery in red screen.
• as soon as red screen appears press home key and android logo will come.
• select wipe data/ factory reset and press power key to confirm
• now select yes -- delete all user data press Power key to confirm.
• now reboot device.

Karbonn A4 Hard Reset

Hard Reset:

• Press and Hold Volume Down + Power Key.
• You see a menu.
• select Clear Flash and press power key to reset handset

Karbonn A37 Ta-Fone Hard Reset

Hard Reset:

• Press and Hold Volume Down + Power key for.
• Release power key but keep hold Voulme Down key for 10 sec.
• Now you see recovery menu.
• select wipe data / factory reset and select yes.
• now reoot device

Karbonn A34 Ta-Fone Hard Reset

Hard Reset:

• Press and Hold Volume Down + Power key for.
• Release power key but keep hold Voulme Down key for 10 sec.
• Now you see recovery menu.
• select wipe data / factory reset and select yes.
• now reoot device

Karbonn A3 Hard Reset

Hard Reset:

• Press and Hold Volume Down + Power Key for 20-30 Seconds.
• Now you See Warning Logo on screen.
• Now Download Android Multi Tool
• Download fastboot driver and install Drivers
• now open tool and press "8" and enter to wipe data / factory reset.
• after format remove battery and reinsert battery.
• power on the handset.
• Download Driver from Here
• Download Android Multi Tool from Here

Karbonn A27 Hard Reset

Hard Reset:

• Press and hold Power key + Volume UP + Volume Down to get recovery mode.
• if this method not work then try 2 second method
• 2nd method: press power key
• after vibrate phone press and hold volume UP + volume Down
• you see recovery menu.
• select wipe data / factory reset and select yes.
• now reboot device

One another method is here:

• Press and Hold Volume Down + Power Key for 20-30 Seconds.
• Now you See Fastboot mode on screen.
• Now Download Android Multi Tool
• Download fastboot driver and install
• now open tool and press "8" and enter to wipe data / factory reset.
• after format remove battery and reinsert bettry.
• power on the handest.

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Karbonn A21 Hard Reset

Hard Reset:

• Press and hold VOLUME UP + POWER KEY
• now you see green screen dont release volume up key
• after 10 seconds you see red screen, now release Volume up key.
• now tou see recovery options.
• select wipe data with factory reset and press power key for 2 sec.
• now select yes and press power key for 2 second.
• now reboot device.

Karbonn A2+ Hard Reset

Hard Reset:

• Press and Hold Volume Up + Power Key.
• You see a menu.
• Now Press Home Key to See Recovery Options
• Now Select Wipe data/factory reset and touch Enter Key to Confirm
• Now Select Yes -- Delete all user data and touch Enter Key to Confirm.
• Now Reboot your Device.

Karbonn A2 Hard Reset

Hard Reset:

• Press and Hold Volume Up + Power Key.
• You see a menu.
• Now Press Home Key to See Recovery Options
• Now Select Wipe data/factory reset and touch Enter Key to Confirm
• Now Select Yes -- Delete all user data and touch Enter Key to Confirm.
• Now Reboot your Device.

Karbonn A15 Hard Reset

Hard Reset:

• Press and hold Volume UP + Power key it will show fastboot recovery in green screen.
• contune press and hold dont leave the keys until it shows recovery in red screen.
• as soon as red screen appears press home key and andriod logo will come.
• select wipe data/ factory reset and select yes.
• now reboot device.