LG K30 LM-X410

Are you facing audio issues on your LG K30/K40? Don’t worry you are in the right place. The sound problems on K30/K40 can range from the speaker not working, low volume, notification sound not working, can’t hear caller, microphone not working, stuck in headphone mode, etc.

In this post, we are going to identify and troubleshoot the common sound problems on K30 & K40. So, Let’s get going –

LG K30 & K40 Sound Problems / Issues

1. No Sound / Not Ringing / Speaker not working

If no sound is coming out of the external loudspeaker on your k30/k40, we need to follow the below troubleshooting steps –

a. Check if the phone is in Vibration, Silent, or Do Not Disturb mode

Make sure your phone is not in silent/vibration mode. Also, make sure that do not disturb is off.

In both scenarios, the phone won’t ring for calls and notifications.

Read moreLG K30/K40 sound problems – speaker not working, no notification sound

LG K30/K40 uses a Micro-USB 2.0 charging port without Quick Charge support. By spending a little more on LG Stylo 6, you get the fast charging support. A fast charger takes around half an hour to charge the battery from 0-50%.

With the original LG charger, K40 can be charged from 0-100 in less than 2 hrs.  This is a decent charging speed.

You can face 2 kinds of charging problems on LG K40 – Slow Charging or No charging. There can be multiple reasons for this behavior. Let’s try to evaluate & fix the charging issues on LG K30/K40 –

LG K30 & K40 Charging Problems

a. Slow Charging

Read moreLG K30 & K40 charging problems -not charging/port replacement

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.

Read moreLG K40 Lagging / LG K30 Running Slow – How to Fix