Here is an instructions that has worked on Flashing the many other LG phones, like LG G2, G3, G Flex and more. So it should be the same for the LG L70 MS323.
Before you do the process, you need these software below:
How to Flash / Unbrick LG G Watch:
1. Download all requirements, install LG USB Drivers, extract the LG flash tool zip file. And to make things a little easier, put the firmware in the same directory as where you extracted the flash tool files.
2. Then open the LGFlashTool2014.exe up. For ‘Select Type’ choose 3GQCT. For ‘PhoneMode’ select EMERGENCY. Then go down to Select KDZ file and find the MS32310b_00.kdz file.
Here is a nood friendly tutorial for fastboot flashing the new CWM Recovery on LG Optimus L70 MS323. Download the zip file attached and extract it anywhere .
How to install CWM recovery on LG Optimus L70:
Download the recovery.img to your computer and open up terminal or command prompt and cd to the directory where the recovery.img is.
Now that you are in the recovery.img’s directory, boot into fastboot mode by powering off the device, from power off, plug in your usb, power on the device, as soon as it starts to boot, release the power button and hold volume up until in fastboot mode.
Now in terminal or command prompt, type:
Once booted, go download this awesome app to make rebooting to recovery easy, HERE
People who restored the laf partition, follow these steps:
Place the recovery.img in the root of your internal sd card.
Open up command prompt or terminal and type:
Now it is time to overwrite your stock recovery with cwm, type:
That’s it, download this awesome app to reboot to recovery HERE
All Credits to:
Sources available here: http://forum.xda-developers.com/showthread.php?t=2773123&page=90
Quick and easy tutorial for unlocking the bootloader for MetroPCS LG Optimus L70 MS323.
Do this AT YOUR OWN RISK and I don’t guarantee it will work on all MetroPCS LG Optimus L70 (but successfully done on my phone).
Warning: Make backup before unlocking bootloader. This procedure will wipe the /data partition of your phone, so you will loose all your stored data, settings. SDCARD will BE WIPED!!!
NOTE: Must have busybox installed on your device, have USB debugging enabled, and the phone plugged in and set as charge only.
How to Unlock Bootloader on MetroPCS LG Optimus L70 MS323:
Congratulations You Have Successfully Unlocked Your Bootloader
All credits to “Android Addict, junkie2100, Cheetopocalypse, biggiephil, bobdamnit, LoneStar, and PlayfulGod”
LG Optimus L70 MS323 Photos – LG Cell Phone Pictures