Update Galaxy Nexus S I9020 with Jelly Bean 4.2.2 GamerzROM Build 3.0 Firmware

If you are one for playing games on your Galaxy Nexus S I9020, then you should flash GamerzROM Legendary Edition Build 3.0 custom firmware on your phone this instant. This update will be sure to land your device with Jelly Bean 4.2.2.


What is expected of you now: take your time in reading about some requirements which are absolutely necessary for our guide. Here is a roundup of these pre-requisites: charge the battery of the Nexus S I9020, turn on USB debugging, flash appropriate USB drivers on your laptop, use the phone that is fully unlocked and make a backup using our tutorial (the internal memory’s data needs to also be backed up, so use an external SD card for that).

Important instructions

  1. Your priority now is the following: download the and on the PC you have in front of you.
  2. Your second priority: make sure you connect your smartphone to your device and then get the zip files from the laptop to the handset’s SD card. The Galaxy S I9020 should now afterwards be unplugged from your notebook.
  3. Also, you need to power it off and then enter it in Recovery Mode like this: press and hold Volume Down, Volume Up and Power simultaneously; when the display flashes, don’t keep pressing + holding them, just be sure to operate a total of 3 wiping tasks when you’re in the Recovery Mode.Nexus-S-I9020
  4. For the first wiping action you will need to opt for the following: Factory Reset/Wipe Data. After you confirm it, return to the Recovery Menu. As soon as you land there, choose Wipe Cache Partition; this is the second wiping operation. The third one needs to happen like this: choose Wipe Dalvik Cache.
  5. This guide will then tell you to opt for these two: Install zip from SD card and Choose zip from SD card.
  6. After performing that, you will be asked to continue by choosing the GamerzROM-crespo-20130429.zip archive via Power, then confirm what you did. The GamerzROM Build 3.0 custom firmware will then start to flash on your handset and you will then have to install the Google Apps file in the same way you flashed the other one; but start from this bit: “This guide will then tell you to opt for (…)” and continue from there onward.
  7. Your next step should be to opt for the system restarting when you are in the Recovery Menu once more. After the Galaxy S I9020 reboots, it will feature the Jelly Bean 4.2.2 for you to experiment with.

[sc name=”banner-jos”]

But what will happen if you see “Status 7 error”? You will get annoyed, so here’s how to avoid that: flash a related kernel on your smartphone first; second: flash the GamerzROM Legendary Edition Build 3.0 on your device. The way to get past a boot loop (or your smartphone experiences sticking in a logo for that matter): operate Wipe Cache Partition first, then move on to performing Wipe Dalvik Cache. Final instruction: reboot your Galaxy S I9020.

The old ROM that used to be there on your phone before you updated it to a better OS can be grabbed back if so you want. Here is how: boot the handset into Recovery menu, opt for Backup&Restore, look for that ROM in a list and choose it.