On the home screen tap Security.
Tap Speed-up > End Apps.
From the visible list of running applications tap Disable All to release related memory (RAM)
The phone’s storage space may decline when multiple apps are installed because apps occupy cache storage files. You can clear the caches to release storage space without affecting the apps’ function using Lenovo Security.
- On the home screen tap Security.
- Tap Speed-up > from the sliding menu, then tap Clean Cache.