Three attempts on a Sprint S4. They continue to fail.
[*][*] Motochopper: Android root exploit (Windows version)[*] v1.1[*] by Dan Rosenberg (@djrbliss)[*][*] Tested on the Motorola Razr HD, Razr M, Razr Maxx HD, and Atrix HD.[*] Supports lots of other devices as well. ;-)[*][*] Before continuing, ensure that USB debugging is enabled, that you[*] have the latest USB drivers installed, and that your phone[*] is connected via USB.[*][*] WARNING: This will likely void the warranty on your device. I am[*] not responsible for any damage to your phone as a result using this[*] tool.[*][*] Press enter to root your phone...
Press any key to continue . . .[*][*] Waiting for device...
* daemon not running. starting it now on port 5037 *
* daemon started successfully *[*] Device found.[*] Pushing exploit...
2008 KB/s (1283460 bytes in 0.624s)[*] Pushing root tools...
1914 KB/s (366952 bytes in 0.187s)
3340 KB/s (1867568 bytes in 0.546s)
2744 KB/s (1578585 bytes in 0.561s)
Failure [INSTALL_FAILED_ALREADY_EXISTS][*] Rooting phone...
[+] This may take a few minutes.
[-] Failure.[*] Cleaning up...[*] Exploit complete. Press enter to reboot and exit.
Press any key to continue . . .
I did not retain the original message.
Should I delete the SuperUser.apk from the phone and attempt again?
I've run 2 Root Checker apps and they both say it isn't rooted. Maybe they are phone specific and not config'd for the S4 yet. Is there another way to check?