Jun
26
Filed Under (LG Android Phones, LG Optimus Series, LG Phone Problem and Solution) by lg-phones on 26-06-2011

This tutorial will help if you want to install a new rom on your LG Optimus GT540. (e.g. you bought the phone which came with 1.6, and you want to now upgrade to 2.3)

First you need to choose a ROM that best suits you. Each ROM is based on a different version of Android. Right now you’re most likely running Android 1.6 or 2.1, now Android 2.3 has come out, your phone seems a bit outdated right? LG Android Phones

LG Optimus GT540 Custom Roms Download

The 2.3 ROM’s generally have the most features, since it’s the most up-to-date version; but if you want speed then sometimes a speed-optimized 2.2 ROM is the way to go.
Now for every ROM there’s an .exe that I’ve created that will automatically install the ROM for you (except for the 2.1 ROM’s – which are installed through recovery), but before you can use that .exe, you need to enable fastboot on your LG Optimus GT540.

Fastboot is the tool used to install ROM’s and recovery to your LG Optimus GT540 through USB. But since the LG Optimus GT540 doesn’t come with fastboot, you have to manually install it yourself. This is really easy to do and I’ll guide you through it here. LG Phone Problem and Solution

1. The first thing you’ll need to do is download the files you need. Here is a link to download a .zip file that contains everything you need.
2. Once you have that downloaded, extract the contents to anywhere you please (could be your desktop).
3. When you install a new ROM, you’ll loose all your data, so what you need to do is back it all up. To do this, you need to root your phone which is so easy to do. All you have to do is copy the z4root.1.3.0.apk file to your SD card and use a file manager (like ASTRO) to open the file and install the app.
You’ll then see a new app in your app drawer, open it and tap the Permanent Root option. You LG Optimus GT540 will then root and reboot.
4. After your LG Optimus GT540 has rebooted, you’ll see a new app called SuperUser, this means your phone has now been rooted. Now you can go to the Market and download MyBackup Root. Open the app and tap Allow to the popup. Then backup your data and apps.
5. Once you’ve done that go to Settings>SD Card and Phone Storage>Unmount SD Card, a notification in the notification bar should appear saying ‘SD Card safe to remove’. Remove the battery cover and remove the SD card and store it in a safe place.
6. Now go to the folder where you extracted the .zip file to and open the MSXML 4.0 SP3 Parser (msxml.msi) file.
7. Once that has finished, install LGAndroidDriver_WHQL_ML_Ver1.0_All_Win7.exe which are the drivers so your computer will recognize your phone. Windows XP Users download this driver, extract the contents anywhere (e.g. desktop), right-click on the ‘android_usb.inf’ file and click ‘Install’.
8. Next, open KDZ_FW_UPD.exe
(i) Change Type to 3GQCT *THIS IS A MUST, THE UPDATE WILL NOT WORK OTHERWISE AND YOU MAY BRICK YOUR PHONE*
(ii) Make sure PhoneMode is set to DIAG
(iii) Browse for the V20B_00+Fastboot.kdz file.
9. Prepare the phone by enabling USB Debugging by going to Settings>Applications>Development>Enable USB Debugging and connect the phone to the computer via USB cable and wait for the drivers to install for the phone. Sometimes the computer still won’t recognize the phone, if this is the case, try this: Windows Vista and 7 users press start and type device manager (Windows XP users right click ‘My Computer’ and click properties, then click the Hardware tab and click Device Manager) then locate LGE Android Platform Modem, right click it and click disable. Accept any warnings that come up. Also, make sure you’ve disabled Mass Storage Mode on your phone. To do this, go to Settings>Storage>Enable Mass Storage, and untick the box.
10. Click Launch software update and do not use your computer until the update is complete. The installation will take roughly 10-20 mins to complete.

Now that that’s done you have fastboot!  Now all you have to do is boot the phone into fastboot mode by powering off the phone, then hold the camera button and power on the phone. Hold the camera button while the LG logo is on the screen and you should then see a blank screen – the LG Optimus GT540 is now in fastboot mode!  Just connect the LG Optimus GT540 to your PC, let the drivers install, and run the .exe file to install your ROM.

Next time you want to install a ROM, you don’t go through the process of installing fastboot, it’ll be installed forever now! LG-Optimus info

Enjoy your ROM!

Via http://swiftdroidblog.co.cc/forum/showthread.php?tid=1

LG Cell Phone – Related Posts

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How to Install Roms on LG Optimus GT540 – LG Cell Phones Blog…

[…]But since the LG Optimus GT540 doesn't come with fastboot, you have to manually install it yourself. This is really easy to do and I'll guide you through it here. LG Phone Problem and Solution … Windows XP Users download this driver, ext…


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