[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 (LG D415RD T-Mobile ) 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 T-Mobile ) with easy and simple step. Flashing 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 (LG VS986 T-Mobile ) 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 you can follow this guide if you have bootloop problems on LG OPTIMUS L90 (LG D415RD T-Mobile ) but accidental LG OPTIMUS L90 (LG D415RD T-Mobile ) is not installed recovery. In this guide I'm not offering recovery twrp or Cwm. CMW is a recovery that already in recovery mode for customization of the device such that the LG OPTIMUS L90 (LG D415RD T-Mobile ) with a variety of additional functions in it such as backup / restore, installations and others that are not contained in the standard recovery mode. Generally, in case of a default recovery bootloop LG OPTIMUS L90 (LG D415RD T-Mobile ) will go missing in case of bootloop. whereas the original recvery can't help when there hardbrick.

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

Requirement Tool For Flash LG OPTIMUS L90 (LG D415RD T-Mobile ).

Before you perform flash or install your firmware on LG OPTIMUS L90 (LG D415RD T-Mobile ) ,
you must download all requirement tool below ;

Download Stock Rom LG OPTIMUS L90 (LG D415RD T-Mobile ).

This Stock is KDZ file, remember to copy this KDZ file into LG Flash Tool 2014 folder
Check the firmware that match with your phone version, for , below

**LG KDZ Firmware**
No.	Model	Suffix	Version	Buyer	Buyer Name	Download
1.	LG D415RD	3TMORD	D41520C_00	TMO	T-Mobile	Download
2.	LG D415RD	3TMORD	D41520B_00	TMO	T-Mobile	Download
3.	LG D415RD	ATMORD	D41520C_00	TMO	T-Mobile	Download
4.	LG D415RD	ATMORD	D41520B_00	TMO	T-Mobile	Download

Download Driver LG: Here
Latest LG FlashTool : Here

#1. Guide To Flash LG OPTIMUS L90 (LG D415RD T-Mobile )

Please follow this guide carefully to flash LG OPTIMUS L90 (LG D415RD T-Mobile ) .

Make sure you have download all requirement tool above
Then Install the drivers with your phone connected with your Computer, when it finished disconnect your LG OPTIMUS L90 (LG D415RD T-Mobile ) phone from your computer.
Now turn your LG OPTIMUS L90 (LG D415RD T-Mobile ) phone off, then continuously click on the volume up button and connect your phone to your PC,
Now, enter your LG OPTIMUS L90 (LG D415RD T-Mobile ) into download mode. ( visit this guide or see at the end of this post)
Run LGFlashTool2014.exe.
If you cannot run LGFlashTool2014.exe, You must install Visual C++ Runtime Library, get here
There are two options to flash your LG OPTIMUS L90 (LG D415RD T-Mobile ) .

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

Select Type: CDMA
PhoneMode: DIAG
Select KDZ file : browse your KDZ file in your drive
Then you can Click on Normal Flash or CSE Flash (see step 7 to decide this option)
Then click Start.
LG flash tool - start
Then click on Clear Phone Software update registry.
Lg flash tool - Clear Phone Software update registry.
No need to choose desired language, it automatically change to English as a default setting.
Finally you can click OK.
You must wait a minute for the LG Mobile Support tool to recognize the LG OPTIMUS L90 (LG D415RD T-Mobile ) device.
When you wait this process, may take 5 minute the tool to recognize it.
The software will start the extraction on your device.
When the process reach 100% your LG OPTIMUS L90 (LG D415RD T-Mobile ) will reboot.
Then, you must Unplug your LG OPTIMUS L90 (LG D415RD T-Mobile ) from your computer by remove USB Cable from it.,
Finish,

#2. Guide To Flash LG OPTIMUS L90 (LG D415RD T-Mobile )

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

Enter LG OPTIMUS L90 (LG D415RD T-Mobile ) To Download Mode.

To enter LG LG OPTIMUS L90 (LG D415RD T-Mobile ) in download mode, you can follow this guide :

Remove battery from your phone
Plug USB cable to your PC
Press and Hold volume UP Button, while cable plugs USB Cable from PC to your Phone
Then will appear white note on your LG OPTIMUS L90 (LG D415RD T-Mobile) phone, if you see this you can releasa Volume UP button.
Press and hold volume UP Button on your LG OPTIMUS L90 (LG D415RD T-Mobile) phone again, until you see FIRMWARE UPDATE message.
If your phone has been detected in your PC (to make sure, click the monitor icon beside Read Phone Information button, this action will open device manager windows. If your phone was detected you can see this at the top)
Click START, and you will see dialogue box, just click OK
Wait for the flash process, it will run in approximately 5 minute and your LG OPTIMUS L90 (LG D415RD T-Mobile) will restart itself
Then your LG OPTIMUS L90 (LG D415RD T-Mobile) phone will boot up, if you can see Welcome Screen, it's mean Flashing process is successfully.
Unplug USB cable, and finish
Now your LG OPTIMUS L90 (LG D415RD T-Mobile) is installed new firmware.

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