Originally Posted by dautley
1 Download the update onto your external sd-card.
2 Power down your phone.
3 Hold down both volume buttons, then press power button.
4 Select recovery by pressing volume down then volume up.
5 At the Android logo press both volume buttons.
6 Select "apply update from sdcard" and then select the file downloaded in step 1 (Use vol up/down to navigate and power to select).
When downloaded from the Dropbox, is the file the first on the list" "update.zip" ?