In devices such as the Nexus 6 have a significant improvement Android 5.1 in performance is concerned, but it seems that is not the case with all Nexus devices. There is a particular solution that has great impact on performance: delete the partition that contains the cache device by following these steps:
-
Switch the device on by pressing the power button together and volume down key.
-
Navigate using the volume keys to the Recovery option and press the power button.
-
Once an android with a red triangle and an exclamation point appears to us, hold down the power button and then press the Volume Up key.
-
We sailed on the list with the Volume Down key to Wipe cache partition option and press the power button to select.
-
Once you finish the restart process.
But if by this is not enough, it is recommended that a factory reset to give a second life to your computer.