How can an iPhone be fixed if dropped in water?

Yes, go to Settings, Mail, Contacts, Calendar then in the mail section there is a Signature option.
http://wiki.answers.com/Q/How_can_an_iPhone_be_fixed_if_dropped_in_water

Top Q&A For: How can an iPhone be fixed if dropped in water

I dropped my digital camera in the water, can it be fixed?

Well the important thing to know is never NEVER! turn a camera on when it is wet. See any electronics can survive water. If a camera was dropped in water while it was turned off then it will be ok... Read More »
http://answers.yahoo.com//question/index?qid=20080814210954AAywS2H

Send it to Apple Company and they will replace it (unless if it has been jailbroken)
http://wiki.answers.com/Q/How_can_you_fix_your_iPhone_3g_has_dropped_in_water

It is almost certainly dead!As you CAN'T remove an iPhone battery which is the most essential thing you do do, rice will not workIt may have signs of life but water and the battery STILL being in t... Read More »
http://answers.yahoo.com/question/index?qid=20130427191006AAY9NOU