LG K40 is a very capable phone with a decent 1.8 GHz Octa-Core CPU. LG Stylo 5 is equipped with the same Processor. However, the 2GB RAM on K40 is insufficient. On the other hand, K30 comes with a 1.4 GHz Quad-Core CPU and 2GB RAM.
Both K30 & K40 operate smoothly when new. However, over a period of time the storage space is occupied with Apps, Games, etc. and slows down the phone. Other factors can also contribute to the slow performance of your phone.
In this post, we are going to find out the root cause and make your K30/K40 faster –
How to make LG K30 & K40 faster
1. Force Restart / Soft Reset
If your phone has slowed down (or frozen) all of a sudden, it must be a temporary issue & can be fixed with a Soft Reset. Use the power button to restart your phone.