How to Install LG Optimus 2X P990 to Android 4.2.2 CM10.1 Nightly Jelly Bean Custom Firmware
LG Optimus 2X P990 Android 4.2.2 CM10.1 custom ROM is now avaialble as an experimental / nightly firmware
that you can try on your phone. There might be some bugs in this ROM,
but still recommend you to give it a try and experience what Android
4.2.2 Jelly Bean has in store for you. Please note, this is a custom
ROM, not an official update by LG. You can install Android 4.2.2 CM10.1 Nightly Jelly Bean on Optimus 2X P990 using our tutorial below. You need to have a custom ClockworkMod recovery installed and your phone should be rooted.
In this tutorial, we will guide you how to update Optimus 2X P990 to
Android 4.2.2 CM10.1 Nightly Jelly Bean ROM with complete steps. Don’t
forget to read all the important tips given below that you have to keep
in mind before proceeding to the tutorial on the next page. Make sure you also backup all your data as given since you will have to wipe everything on your phone. Let’s continue with the tutorial below.
Android 4.2.2 CM10.1 Nightly Jelly Bean ROM Details:
NOTE: Since this is a nightly build, make sure you know that after installing this firmware update, your Android device can get FC errors, boot loops, several other bugs, apps might not work or worse, your phone might not boot. To fix, you will have to reinstall stock firmware or any other stable custom ROM.LG Optimus 2X USB Drivers
You will need to connect your Android phone with the computer. For that, please make sure you have installed the USB drivers for LG Optimus 2X properly. If not, you can download the latest official drivers from our Android USB Drivers section here:Backup and Other Important Tips
Done with the USB drivers? Perfect. The tutorial is on the next page, but first, please take a look at the following tips and important points you need to take care of. These are important, as we don’t want anyone losing their personal data or apps:Always backup your important data that you might need after you install a new custom ROM, an official software update or anything else. Make a backup for just in case, you never know when anything might go wrong. See below for some tips on how to backup data:A few more optional tips that you should remember:
If you already have a custom recovery (ClockworkMod, TWRP etc.) installed on your phone, we strongly recommend a backup using that as it creates a complete image of your existing phone set up.
- Backup your Apps. How? –> How to Backup Android Apps.
- Backup your SMS messages. How? –> How to Backup/Restore SMS Messages.
- Backup Contacts, Gmail and Google Data. How? –> Sync with Google Sync.
- Backup Call History. How? –> How to Backup Call History.
- Backup WhatsApp Messages. How? –> How to Backup/Restore WhatsApp Messages.
- Backup APN Settings: GPRS, 3G, MMS Settings. How? Note down everything from: Settings > Wireless & Networks (More…) > Mobile networks > Access Point Names.
1. Having problems connecting your Android phone to the computer? You need to enable USB debugging mode. See here: How to Enable USB Debugging — for Gingerbread, Ice Cream Sandwich and Jelly Bean.Source : teamandroid
2. Make sure your Android device is charged up to 80-85% battery level. This might help you: How to Check Battery Percentage. Why? Because, if your phone goes off suddenly while installing a custom ROM, flashing an official firmware update or installing mods etc. — your phone might get bricked or go dead permanently. No one wants that, right?
