Without installing android MTP on Samsung Galaxy S2, when connect Samsung Galaxy S2 to computer, you may get the same error message "SAMSUNG Mobile MTP Device was not successfully installed". How to install android MTP on Galaxy S2? Here 6 steps help you install android MTP on Samsung Galaxy S2.
6 Steps to install android MTP on Samsung Galaxy S2
Step 1: Start Windows with no phone connected.
Step 2: On Samsung Galaxy S2: Settings-> Applications-> Development-> USB Debugging.
Step 3: Connect phone. Windows installs drivers.
Step 4: Disconnected phone, turned off USB debugging.
Step 5: Started Kies on PC.
Step 6: Stopped all apps on phone & connected it to PC.