Discussion in 'HTC ThunderBolt' started by mgangrock, Jun 2, 2011.
any help would be appreciated.
Menu> settings> sd & phone storage> unmount sd card> once the unmount completes, the format sd card option will light up.
Under SD and phone storage in the main menu. You will have to unmount it first then it will highlight the option.
Sent from my Thunderbolt.
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