Once you have your Sony Xperia Z3 upgraded to the new Android lollipop, it may happen that you have performance problems with your smartphone. These have, for example, as follows:
Surface of Android suddenly very slow
Apps rush unexpectedly
Batteries degrade very quickly after
and much more
In general, these problems are related to the Android Lollipop firmware update together on your Sony Xperia Z3. To renounce first on a hard reset, or reset to factory settings, you must perform the following procedure: Wipe cache partition
The Wipe cache partition deletes the Sony Xperia Z3 cache. Only system temporary files are deleted but NO personal data such as photos, SMS, contacts, etc .. And so the work Wipe cache partition on the Sony Xperia Z3:
Press your Sony Xperia Z3 is in the off condition, the power on / off button and the volume louder button simultaneously and keep it pressed until the display of the Sony Xperia Z3 goes out and the phone vibrates three times. Then release all buttons.
The Wipe cache partition has now been successfully carried out on the Sony Xperia Z3. You can now start the Sony Xperia Z3 as usual via the power button again.
The performance of your Sony Xperia Z3 should have now greatly improved.