[Guide] Flash Bricked - Bootloop LG OPTIMUS L90 (LG D415RD T-Mobile) Using LG Flash Tool (KDZ method). - Android Guide

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[Guide] Flash Bricked - Bootloop LG OPTIMUS L90 (LG D415RD T-Mobile) Using LG Flash Tool (KDZ method).

[Guide] Flash Bricked - Bootloop LG OPTIMUS L90 (LG D415RD T-Mobile) Using LG Flash Tool (KDZ method).

Flash LG OPTIMUS L90 (LG D415RD T-Mobile ). LG OPTIMUS L90  is the android smartphone which announced in February 2014, and exactly released on 2014, March. Guidebelajar on this guide will explain to you how to flashing android device on LG OPTIMUS L90 (LG D415RD) with easy and simple stepFlashing in android is the same way like fresh install on the windows PC, So by perform a flash on Android you will give a new performance like a new phone. One reason that you should perform a flash your android is because your android get bootloop or when you failed to install Stock ROM Mod. 

This LG OPTIMUS L90 is the smartphone with 4,7 IPS LCD capacitive touchscreen, 16M colors, work on Android OS, v4.4.2 (KitKat) and supported with Quad-core 1.2 GHz Cortex-A7 CPU, Qualcomm MSM8226 Snapdragon 400 chipset, combined with 1 GB of RAM and 5  MP of  Main camera and 1,3 MP on secondary camera.

Now, follow the instruction list bellow, do it with your own risk.

Requirement Tool For Flash LG OPTIMUS L90.

Before you perform flash or install your firmware on LG OPTIMUS L90 , you must download all requirement tool below ;
  1. Download Stock Rom LG OPTIMUS L90.

#1. Guide To Flash LG OPTIMUS L90.  

Please follow this guide carefully to flash LG OPTIMUS L90.
  1. Make sure you have download all requirement tool above
  2. Then Install the drivers with your phone connected with your Computer, when it finished disconnect your LG OPTIMUS L90 phone from your computer.
  3. Now turn your LG OPTIMUS L90 phone off, then continuously click on the volume up button and connect your phone to your PC, 
  4. Now, enter your LG OPTIMUS L90 into download mode.  ( visit this guide)
  5. Run LGFlashTool2014.exe.
  6. If you cannot run LGFlashTool2014.exe, You must install Visual C++ Runtime Library,
  7. There are two options to flash your LG OPTIMUS L90.
    • Normal Flash : You can select this option if you want Flash ROM without losing any data. Only use this when you need to fix system error.
    • CSE Flash : You can choose this option when you need a fresh format. All data will be deleted. It's suitable for upgrading or downgrading ROM or simply use this when you need to back to Stock.
    • LG flash tool normal flash / CSE flash
      LG flash tool normal flash / CSE flash
  8. Select Type: CDMA
  9. PhoneMode: DIAG
  10. Select KDZ file : browse your KDZ file in your drive
  11. Then you can Click on Normal Flash or CSE Flash (see step 7 to decide this option)
  12. Then click Start.
    LG flash tool - start
    LG flash tool - start
  13. Then click on Clear Phone Software update registry.
    Lg flash tool - Clear Phone Software update registry.
    Lg flash tool - Clear Phone Software update registry.
  14. No need to choose desired language, it automatically change to English as a default setting.
  15. Finally you can click OK.
  16. You must wait a minute for the LG Mobile Support tool to recognize the LG OPTIMUS L90 (LG D415RD T-Mobile )  device.
  17. When you wait this process, may take 5 minute the tool to recognize it.
  18. The software will start the extraction on your device.
  19. When the process reach 100% your LG OPTIMUS L90 will reboot.
  20. Then, you must Unplug your LG OPTIMUS L90 from your computer by remove USB Cable from it.,
  21. Finish,

#2. Guide To Flash LG OPTIMUS L90.

If #1 method is failed to flash your LG Android device, you can use this second method, flashing LG device using R&D Test Tool. Here

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