Check out how to easily wipe cache partition in MITO Fantasy Fly A230. This operation won't affect your personal files it will only remove temporary cache files. As a result you can refresh Android 5.1 Lollipop system and optimize .
First off all switch off your device, so hold down the Powerkey for about 5-10 seconds.
In the next step hold down together Power and VolumeUpbuttons, you can release all keys when you see the BootMode.
Then, in this menu you should go down by using Volumebuttons and choose Recovery by pushing the Powerkey.
Now, when you are in the RecoveryModemenu, you have to go down and choose "wipecache partition".