Saturday, 20 September 2014

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Update LG Optimus L7 To Android 4.1.2 Jelly Bean via CM10 Nightly–How To

LG Optimus L7 can now be updated to Android 4.1.2 Jelly Bean using CM10 ROM custom firmware. ROM released by CyanogenMod Team recognized as one of the most featured rich and customized ROM and this nightly release isn't a different. Android 4.1.2 Jelly Bean do comes with many big features over previous version, hence it's always a good idea to update your device to latest Android build when available. Apart from Android 4.1.2 Jelly Bean features, CM10 ROM comes with various own features including Theme Engine, Phone Dialer, Customized Power option, Easy screenshot taker and many more useful features. You can read through this article to learn how to update LG Optimus L7 To Android 4.1.2 Jelly Bean using CM10 Nightly.

Please note, this nightly build is still under development and hence, you should expect some minor bugs in it. All bugs and issues expected to be fixed as development progress towards a stable build.

CyanogenMod Nightly ROM

Warning!
This tutorial is only for LG Optimus L7. Don’t try this guide on any other Android device. Also, we (Android Pulp Team) are not responsible for any damage caused due to the instruction given in this page. Try this at your own risk. However, it is very unlikely that your device will be damaged if you follow all the instructions as it is which are mentioned in procedure.  

Pre Requisites:

1. ROM flashing require you to wipe your internal memory data, hence you required to backup your device data. You can follow our ultimate backup guide.

2.  Make sure your device have at least 60% battery power. If your phone shut down during installation then there is good chance to brick your device.You can install an app like Battery Notifier BT Free on your Android device to check it easily.

3. You must have USB Driver Installed for LG Optimus L7 in your PC. [Download USB Drivers]

4. Make sure USB Debugging is enabled otherwise it's won't be possible to transfer file between PC and LG Optimus L7. [Guide].

5. Your device must have latest available custom recovery installed. [General Guide]

If you done everything that we mentioned above then you are ready to follow step-by-step guide on how to install Android 4.1.2 Jelly Bean based CM10 ROM (Nightly) on LG Optimus L7.

File Required(Download by clicking on it)
  1. CM10 Nightly For LG Optimus L7 [Filename: cm-10-20131006-NIGHTLY-p700.zip]
  2. Google Apps [Filename: gapps-jb-20121011-signed.zip]

How to Install Android 4.1.2 Jelly Bean based CM10 (Nightly) ROM on LG Optimus L7

  1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
  2. Disconnect USB and then turn off your LG Optimus L7.
  3. Now, boot into recovery mode. To do so, press and hold the Volume Up + Home + Power , After phone vibrates, release Power button. Soon, you will see recovery screen. In recovery use Volume Keys to navigate between option and Power Key to select an option. Alternatively try this: Recovery Mode without Key Combination.
  4. Perform a Nandroid backup of your existing ROM that you can restore later if this new ROM not work or you want to go back into your previous ROM. To perform a backup, select Backup and Restore, then on the next screen, select Backup again. Go back to main recovery menu after backup is complete.
  5. Now, perform data wiping task. To do so, select wipe data/factory reset, then select Yes on next screen to confirm your action. Wait few minutes till the data wipe is complete. Now come back to CWM recovery main menu. Select wipe cache partition and after wiping process done, select Wipe Dalvik Cache under advance option to perform Dalvik cache wiping.
  6. Select install zip from sdcard, then select choose zip from sdcard. Now, locate the CM10 Zip file that you copied earlier in Step 1 and select it by pressing Power button. Confirm installation by selecting Yes – Install _____.zip on the next screen. The ROM installation will begin.
  7. Once the ROM installation process end, repeat the step 6 but choose the gapps-jb-20121011-signed.zip file instead of ROM zip to install the Google apps package.
  8. When installation is completed, go back to the main recovery menu and select reboot system now to reboot your LG Optimus L7 and boot up into Android 4.1.2 Jelly Bean ROM CM10
  9. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select backup and restore then restore your previous ROM by selecting it from the list.
Tutorial For TWRP Recovery Users:
  1. Connect your device to PC using USB cable and then copy downloaded files to the SD card of your device. Important: Don’t extract any files.
  2. Disconnect USB and then turn off your LG Optimus L7.
  3. Now, boot into recovery mode. To do so, press and hold the Volume Up + Home + Power , After phone vibrates, release Power button. Soon, you will see recovery screen. Alternatively try this: Recovery Mode without Key Combination.
  4. Create a Backup using TWRP Backup Option.
  5. Perform a Factory Reset (this will delete all apps and their settings and game progress). To do this, Tap on Wipe, then at the bottom of the screen do a Swipe on the ‘Swipe to factory reset‘ option.
  6. Now its time to add zip file for flashing. Tap on Install, then browse to the location where you saved the files and tap on the CM10 Zip file. Then tap on Add More Zips, and add gapps-jb-20121011-signed.zip. Now at the bottom of the screen, do a swipe on the Swipe to confirm flash option to begin flashing.
  7. When installation is completed, go back to the main recovery menu and tap on Reboot and then, tap on System to reboot your LG Optimus L7 and boot up into Android 4.1.2 Jelly Bean ROM CM10.
  8. Returning to Previous ROM: To go back to your previous ROM, boot into recovery, select Backup then through Restore option, restore your previous ROM by selecting it from the list.
Congrats! Android 4.1.2 Jelly Bean firmware based custom ROM CM10 is now running on your LG Optimus L7. Now explore the latest Android 4.1.2 Jelly Bean. [Note: You may require a rooted device to enjoy all CyanogenMod features]

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