Losing Data and Upgrading ROM

[VAVA Mk2]

I am currently running CodeNameDroid 1.1.4 but am ready to flash the latest version this weekend. I am concerned, though, that after wiping before I flash, I will lose all my apps and data. I have Titanium Backup Pro and can back my apps up with data so I can restore easily and fast after flashing, but is that a bad idea and will I lose my Titanium Backups when I wipe?

 

[5h4un360]

You will lose everything including your titanium app. But you will keep your app data files because it stays in the download file? Pretty sure

Sent from my Galaxy Nexus using Tapatalk

 

[somerussianguy]

I'm running the same ROM on a Nexus S. And yes, the new update requires you to do a clean install which means you will lose everything (not your SD contents obviously). Titanium Backup saves the apps and their data on the SD card, so they won't be affected. After flashing the updated ROM, download Titanium Backup again and batch-restore all your apps & their data. I think I've read there that you shouldn't backup your system apps' data since it might mess things up.

 

[beerhound]

I think I've read there that you shouldn't backup your system apps' data since it might mess things up.

I've read it's ok to backup your system data, that way if flashing your new ROM fails or you decide to go back to the old one, you can do a full restore of ALL data. You shouldn't restore system apps or data across different ROMS or different versions of the same ROM, you are ok to do so for the same version of the same ROM. (unless it was some corruption of that data that was causing problems)

Something to consider: Titanium Backup doesn't keep all your home screen icons, you'll have to rebuild your home screen layouts everytime you flash. Nova Launcher can back that up and save you that headache of trying to duplicate your home screens.

When I'm going to flash a new ROM, I uninstall any apps that I don't want on the phone anymore so they don't get backed up. Then I do a backup in Nova Launcher's settings to keep my home screen layout and finally back up all user apps and system data in Ti Backup. Do the system resets, wipe data and cache and flash new ROM. Reboot, install Ti Backup and restore ONLY user apps + data (NOT all apps + system data). Once my apps are back on the phone, I remove all widgets from the stock launcher screens so they aren't running in the background, set Nova launcher as my default launcher and go into Nova's settings and restore my home screens. The only thing I haven't figured out how to do yet is backup my custom ring tones and notifications.