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Go Back   GSM-Forum > GSM & CDMA Phones / Tablets Software & Hardware Area > Various > Karbonn


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Old 03-26-2013, 08:32   #1 (permalink)
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the proper steps for hard reset karbonn a21


hold volume + power and home button for 5 more seconds even after green screen appears than keep holding home and volume + button press power button 3 times continiously screen colour changes to red now release all button immediately now it goes to recovery do as of all required
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Old 06-11-2013, 10:59   #2 (permalink)
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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
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Old 11-16-2013, 15:56   #3 (permalink)
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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
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