Originally Posted by Klen2 View Post
Hmmm, it's crazy. But when you have root, it's not problem to backup data and apps, do factory reset and then restore. So try wiping data (settings>backup&reset>factory reset, or select "wipe data and factory reset" in recovery).

I tried wiping data/factory reset and wiping the cache partition in recovery, yet my phone still runs into the error where it says fastboot reason: flash failure. I'm running into major issues with my data connection and I think this may be the root of the problem. PLEASE HELP!