Huawei Y7
Delete temporary data
When you use apps on your phone, various data is stored temporarily in the phone memory. If your phone runs out of memory, it may help deleting this data.
Press Settings.
Press Apps.
Press the required app.
Press Storage.
Press CLEAR CACHE.
Press the Home key to return to the home screen.
1. 1. Find "Apps"
2. 2. Delete temporary data
3. 3. Return to the home screen