How do you  unlock sprint galaxy s4?
<answer> Step 1: Open the Phone app on your Galaxy S4 and dial *#0011#. 
Step 2: Next, press the Menu button followed by the Back key. Next, tap the Menu button once more and select KEY INPUT.Enter 1 and select OK to enter ServiceMode. 
Step 3: Press Menu and tap Back again (this pulls up the Main
, for ServiceMode. <context> Procedure. Step 1: Open the Phone app on your Galaxy S4 and dial *#0011#. Step 2: Next, press the Menu button followed by the Back key. Next, tap the Menu button once more and select KEY INPUT.Enter 1 and select OK to enter ServiceMode. Step 3: Press Menu and tap Back again (this pulls up the Main Menu, for ServiceMode.rocedure. Step 1: Open the Phone app on your Galaxy S4 and dial *#0011#. Step 2: Next, press the Menu button followed by the Back key. Next, tap the Menu button once more and select KEY INPUT.