Upgrading Jelly Bean to Kit Kat on Droid Razr Maxx XT912
I decided to upgrade my XT912 to Kit Kat. My earlier rooting and upgrade to CM10.2 provided a much better experience on the aging hardware (http://blog.trebacz.com/2014/05/eliminate-lockups-and-freezes-Motorola-XT912.html). This was my first time upgrading major versions of Cyanaogenmod (10.2 to 11) on my phone, so I was prepared for some unplanned issues. The upgrade went flawlessly and I lost noting in the process.
The procedure I followed was:
1. Download current cyanogenmod snapshot from here:
http://download.cyanogenmod.org/?device=spyder&type=snapshot
2. Download Gapps for CM11
http://wiki.cyanogenmod.org/w/Google_Apps
I used the upgrade steps from Jack Stromberg's post here:
http://jackstromberg.com/2013/12/tutorial-rooting-and-installing-cyanogenmod-11-android-4-4-kitkat-w-google-apps-on-the-droid-razr-maxx/
I found I needed to modify the steps slightly for doing and upgrade from 10.2 using safestrap. It was all in the instructions, but you do have to read between the lines a little bit. Here are the actual instructions I used for my successful upgrade from 10.2 to 11.
3. Do step 15 and 16 (copy files over to your XT912 using windows). Then go to step 23.
References:
Check nightly log for anything weird since last snapshot - http://www.cmxlog.com/11/spyder/
CM11 instructions from Jack Stromberg blog - http://jackstromberg.com/2013/12/tutorial-rooting-and-installing-cyanogenmod-11-android-4-4-kitkat-w-google-apps-on-the-droid-razr-maxx/
The procedure I followed was:
1. Download current cyanogenmod snapshot from here:
http://download.cyanogenmod.org/?device=spyder&type=snapshot
2. Download Gapps for CM11
http://wiki.cyanogenmod.org/w/Google_Apps
http://jackstromberg.com/2013/12/tutorial-rooting-and-installing-cyanogenmod-11-android-4-4-kitkat-w-google-apps-on-the-droid-razr-maxx/
I found I needed to modify the steps slightly for doing and upgrade from 10.2 using safestrap. It was all in the instructions, but you do have to read between the lines a little bit. Here are the actual instructions I used for my successful upgrade from 10.2 to 11.
4. Do step 23-26. On step 23 I just disconnected the phone a rebooted.
5. Do step 28-35 to overwrite CM10.2 with CM11. During reboot had to wait while CM11 updated all apps. Then CM11 started.
6. Do step 36-44 to install the updated gapps for CM11.
After the final reboot I was pleased that all my apps were installed just as before. I didn't have to reenter any Google or app credentials or wifi passwords. Everything just worked. I was very pleased with the ease of upgrade from one version of Cyanogenmod to another.
5. Do step 28-35 to overwrite CM10.2 with CM11. During reboot had to wait while CM11 updated all apps. Then CM11 started.
6. Do step 36-44 to install the updated gapps for CM11.
After the final reboot I was pleased that all my apps were installed just as before. I didn't have to reenter any Google or app credentials or wifi passwords. Everything just worked. I was very pleased with the ease of upgrade from one version of Cyanogenmod to another.
Check nightly log for anything weird since last snapshot - http://www.cmxlog.com/11/spyder/
CM11 instructions from Jack Stromberg blog - http://jackstromberg.com/2013/12/tutorial-rooting-and-installing-cyanogenmod-11-android-4-4-kitkat-w-google-apps-on-the-droid-razr-maxx/
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