LG h324t hard reset is similar to this device too:
– LG G3 S LTE D722;
– LG G3 S D724;
– LG G3 Stylus D690;
– LG G3 Dual-LTE D856;
– LG G3 D855.
- Start by switching off your cell phone by holding the Power button for a short while.
 - Next, hold down the Volume Down and Power buttons together until the LG logo appears on the screen.
 - After that, you should see the factory reset menu on your screen.
 - You should confirm the process by choosing the appropriate options to wipe data reset. Use the Volume buttons to navigate and the Power button to confirm.
 - Wait to complete the operation.
 - Success! The hard reset has just been completed.
 
2nd way LG h324 hard reset:
- If the display is off hold down the Power button to turn it back on.
 - Afterward, go to Settings.
 - Select General and then Backup & Reset.
 - Tap Factory Data Reset and Reset Phone.
 - Choose Erase Everything if you are sure you want to clear all your data.
 - Select OK to confirm the whole operation. On these steps may ask password or pin if you have one
 - Well done!