qqp question1: I'm using the Sony Xperia E dual Bluetooth model. Whenever I want to download any app from Google's play store it shows 'there is insufficient space on the device', but the device has some space. How can I solve this problem? question2: I'm using the Sony Xperia c2305 BT model. Whenever I want to download any app from Google's play store it shows 'there is insufficient space on the device' but the device has some space. How can I solve this problem?