Check out how to easily wipe cache partition in IVOOMI Me4. This operation won't affect your personal files it will only remove temporary cache files. As a result you can refresh Android 7.0 Nougat system and optimize MediaTek MT6737M.
First, turn off your mobile by press Power Key.
Press and hold Volume up+Power button for a few seconds.
When Boot Mode shows use the Volume Up button to select Recovery Mode and Volume Down for accepting it.
Release both buttons when you will see Android Exclamation mark.
During holding down Power Key press and release Volume Up button.
Afterward, choose Wipe Cache Partition by using Volume buttons and accept it with Power button.
When Wipe Cache Partition is done, press and hold Power Key until your phone will be off.
Now you can turn on your mobile by using Power Button.
Well done! Wipe Cache process on your phone is finally done.