How to enter Samsung Galaxy Ace 4 SM-G3139D Recovery Mode, Hard reset, Download Mode / Odin Mode and Remove Unlock Pattern. Recovery Mode Samsung Galaxy Ace 4 SM-G3139D Turn off the device Press and hold Volume UP key + Home Key, while pressing these keys then press and hold Power key for a while Release • Read More »
Tags: download mode, factory reset, hard reset, master reset, recovery mode, Samsung Galaxy Ace 4 SM-G3139D