Tech Mania: Installing Custom Recovery on LG Optimus One P500 plus 2 more articles

Tech Mania: Installing Custom Recovery on LG Optimus One P500 plus 2 more articles


Installing Custom Recovery on LG Optimus One P500

Posted: 09 Jan 2011 09:04 AM PST



To install a Custom Recovery on your phone, you first need to have your phone rooted and the Android SDK installed on your system. For detailed instructions on rooting your phone and installing the Android SDK, read these articles by me first:

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Now, once you’re up and running with a rooted phone and installed the Android SDK, you’ll need to download the recovery files. Here are the recovery files:

Download 1: Thunderg Recovery

Download 2: flash_image

both the files are uploaded on Mediafire.com (as per your suggestions)

Now to use this Custom Recovery, copy these two files and paste in the root of your SD card (root means the directory L:\ where L is the letter for your Phone’s USB Storage, in short, don’t create a folder and just paste it on your SD card)

I’m assuming that you have installed the Android SDK by now as the next step requires it to be installed. Go above and install the Android SDK before continuing.

If you have installed the Android SDK, follow these steps:

  1. Goto Start Menu > Run and type cmd
  2. In the cmd window, type adb. If you’ve installed it correctly, you’ll see a lot of text on the screen. If you get an error message then you have probably not installed the Android SDK properly.
  3. Type adb shell and hit enter
  4. Type su and hit enter
  5. See your phone at this time and touch the “Allow” option which SuperUser shows you
  6. Now the terminal window will have a # sign appended to it. See this screenshot for a better understanding

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Now one by one, copy the following lines, in the serial order and paste it into the terminal window (right click on window and paste, CTRL + V won’t work)


  1. mount -o remount,rw -t yaffs2 /dev/block/mtdblock1 /system
  2. cat /sdcard/flash_image > /system/bin/flash_image
  3. chmod 755 /system/bin/flash_image
  4. mv /system/etc/install-recovery.sh /system/etc/install-recovery.sh.bak (if it gives error message here, simply proceed to the next step)
  5. mount -o remount,ro -t yaffs2 /dev/block/mtdblock1 /system
  6. flash_image recovery /sdcard/recovery-RA-GNM-thunderg-1.1.0.img
  7. reboot recovery
  8. The phone will reboot now.
  9. To access the Custom Recovery, turn off the phone and then press Home+Vol Down+Power button to boot into the Custom Recovery

NOTE: If you get this error after step 4

mv /system/etc/install-recovery.sh /system/etc/install-recovery.sh.bak
failed on ‘/system/etc/install-recovery.sh’ – No such file or directory

Simply move on to the next step.

NOTE: If on booting into the recovery you get the following message at the bottom of the screen -

E: “Bad Boot Message”

Don’t panic, its perfectly normal and you can proceed with what you want to do from the recovery.

Once you’ve booted into the recovery, the touch won’t work. The actions assigned to the different buttons are given here:

  • Up & down : vol-up and vol-down key
  • Select : Menu key (left most)
  • Back : Back (3rd from left)

The feautres available in the recovery are :

USB-MS Toggle :mounts sdcard as mass storage

Backup/Restore:
Nand Backup : runs a nandroid backup of data, cache, boot, system
Nand Backup + .android secure : backs up above plus .android_secure on sdcard (froyo native apps on sd)
Nand + ext backup : data, cache, system, boot, plus apps2sd on ext partition (old style apps2sd)
Nand Restore : browse to and select nandroid backup to restore

Flash Zip From Sdcard: (the file to be flashed must be in root of SD card)

Wipe Menu:
Wipe data/factory reset: wipes data & cache
Wipe cache
Wipe Dalvik cache : Wipes Dalvik cache in all possible locations if moved by apps2sd
Wipe SD:ext : Wipes Apps2sd ext partition
Wipe Battery Stats
Wipe rotate settings
Wipe .android secure : Wipes froyo native .android_secure on sdcard

Partition Sdcard:
Partition SD: Partition’s sdcard for apps2sd (this formats card so all non backed-up data is lost)
Repair Sd:ext
SD:ext2 to ext3 : coverts apps2sd ext2 partition to ext3 (requires kernel support for ext3)
SD:ext3 to ext4 : same as above but ext3 to ext4 (requires kernel support for ext4)


Using the following features, you can make a backup of your current ROM, restore backups, create partitions on your SD card, wipe your phone and the SD card and then also go on to try Custom ROMs using the Flash from Zip option.

That’s the end of this article! Hope you liked it and were able to install the Custom Recovery successfully.

Happy Recovery!

Installing Custom Recovery on LG Optimus One P500 is a post from: Tech Mania

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Motorola unveils Atrix 4G, dual-core phone @ CES 2011

Posted: 09 Jan 2011 07:25 AM PST


The hype created by Motorola about their products at the CES 2011 did not leave enthusiasts high and dry. Motorola unveiled its dual-core powerhouse smartphone, the Motorola Atrix 4G, running on Android 2.2 Froyo.  Packed with a HD multimedia dock and a laptop dock as well, it revolutionizes the webtop experience with Internet browsing on the go powered by a full Firefox browser with full support for Flash 10.1 . It features a HD multimedia dock which lets you connect it to a PC and use the PC Display for your phone.

motorola Atrix 4G 300x240


The HD multimedia dock features a power connector, three USB ports, and an HDMI output, along with an infrared remote. It turns the Atrix 4G into both a multimedia center, and at desktop PC when connected to a TV / monitor and keyboard / mouse. The laptop dock features a 11.6-inch display, two USB ports, a very nice chiclet keyboard, and a comfortably-sized trackpad with two-finger scrolling. It’s super thin and light, and made of a lovely mix of aluminum and plastic.The Atrix 4G docks on the back left edge of the device, behind the display.

But the most impressive part of the entire package is the software and user experience that ties it all together. The Webtop app essentially turns the Atrix 4G into a full blown PC, complete with windowed UI, an Mac OS X-like application dock, a full version of Firefox with Flash 10.1 support, a file manager, and Citrix remote desktop support (shown connected to a PC running Windows XP full screen). Better yet, the state of the Webtop app is maintained between sessions, allowing the Atrix 4G to be undocked at any time without missing a beat.



Motorola unveils Atrix 4G, dual-core phone @ CES 2011 is a post from: Tech Mania

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How to flash Original Firmware on the LG Optimus One P500.

Posted: 09 Jan 2011 06:39 AM PST


I’m writing this article as a lot of people don’t want to risk trying Custom ROMs till they have a sure way of returning to the stock LG ROM/ Firmware just in case something goes wrong and they need to submit the phone to LG. LG will not accept your phone under warranty if it has a Custom ROM on it. So, this article should be a life saver!

First of all, you need the firmware file updating software, which you can download from here : KDZ_firmware_updater

Now, you need the LG firmware repository to download the version of the LG ROM that you need. This is a bit tricky and requires some attention. I know this may confuse some of you but be sure I’ll help anybody who comments on this blog, but then its better to get it done at once rather than wasting your time and hence I request you to read carefully.

Now first I’m explaining how to read the country codes from the firmware country codes page. This is the list of country codes for the firmware: LG P500 firmware country codes


Here, all country codes are given. Now suppose, I want to download the firmware for India, i’ll hit CTRL + F (shortcut for search on browsers) and write INDIA. It’ll display the location of the word INDIA on the page. Now the code will read like :

CDMA LGP500 AINDBK IND/INDIA

Here, AINDBK is the code we need. Lookup the code for your country similarly as mentioned above and copy it somewhere.

Now, the prototype of the download link is this :

http://csmg.lgmobile.com:9002/swdata/WEBSW/LGP500/XXXXX/V10a_00/V10A_00.kdz

First, copy this link, paste it in the notepad. Now get your country code, and replace the XXXXX from the above link with your country code. For example, my link would look like this after replacement :

http://csmg.lgmobile.com:9002/swdata/WEBSW/LGP500/AINDBK/V10a_00/V10A_00.kdz

Now paste this link in the address bar and hit enter. It’ll initiate the download for your firmware.
If you want a different firmware, like the V10B update or the V10C update, just replace the a and A after V10 in the above link (at both places) with the letter of the version you want. Please keep in mind that the case of the letter should be same accordingly. My download link for the V10B update would look like :

http://csmg.lgmobile.com:9002/swdata/WEBSW/LGP500/AINDBK/V10b_00/V10B_00.kdz

Now when you’re all equipped with the requirements, we shall now proceed to the flashing part.


  1. Go to the folder where you have downloaded the Firmware Updater : KDZ_firmware_updater and extract it.
  2. Install msxml.msi from the extracted directory
  3. Connect your phone (don’t Turn On USB storage) and run KDZ_FW_UPD.exe.
  4. In the window, select Type : 3GQCT
  5. Also select PhoneMode : DIAG
  6. In the place where you have to give path for KDZ file, select the ROM you have downloaded using the link you made for your country specific firmware.
  7. Press Launch software update and wait for about 10 minutes. The screen will then say “Emergency mode”. Just wait and let it reboot.
  8. You’re back to the LG Stock Firmware!

I hope this article helps you and if you’ve not been using a Custom ROM for the reason mentioned above, now is the time to do so!

Happy Flashing!

How to flash Original Firmware on the LG Optimus One P500. is a post from: Tech Mania

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