he probado con el srs root que por lo menos te da información de lo que hace y este es el log:
---= SRS One-Click-Root v4.7 =---
11:16:39 - Starting ADB Server..
11:16:44 - Manufacturer: DOOGEE-DG2014
11:16:44 - Model: TURBO DG2014
11:16:44 - Android Version: 4.4.2
11:16:44 - Build ID: DOOGEE-TURBO-DG2014-4.4-R08
11:16:44 - Board ID: hct82_cwet_kk
11:16:44 - Chipset Platform:
11:16:44 - Getting OffSets.. : 0x8003 0x8005 (False)
11:16:45 - Query Server for Best Method.. Not Found (SmartRoot not possible yet)
----= Start Rooting Process.. Please Wait =----
11:16:47 [+] Testing exploit: root1 (Please wait some minutes)....
11:16:47 [+] Executing root1 exploit Failed, Proceed next...
11:16:47 [+] Testing exploit: root2a (Please wait it can take some minutes)....
11:16:49 [+] Executing root2a exploit Failed, Proceed next...
11:16:49 [+] Installing exploit: root3c (Please wait...)
11:17:27 [+] Select 'FRODO' or 'ARAGORN' or 'LEGOLAS' on your device, then click OK
11:17:40 [+] Removing Exploit.. Please Wait..
11:17:46 [+] Analysing Results...
11:17:46 [+] Root Failed: Resume Exploit 4.
11:17:46 [+] Testing exploit: root4 (please wait..)
11:17:49 [+] Device Reboot #1 (Wait till it's started)
11:19:07 [+] Device Reboot #2 (Wait till it's started)
11:20:26 [+] Executing root4 exploit Failed. (Root Error: 0)
11:20:26 [+] Testing exploit: root4b (please wait..)
11:20:33 [+] Device Reboot #1 (Wait till it's started)
11:21:35 [+] Device Reboot #2 (Wait till it's started)
11:22:49 [+] Testing exploit: root5 (please wait..)
11:22:50 [+] Unlock your device screen, it should bring up restore mode.
11:23:39 [+] Press RESTORE button on device NOW! then wait...
11:24:36 [+] Device Reboot #1 (Wait till it's started)
11:26:02 [+] Executing root5 exploit Failed. (Root Error: 0)
11:26:02 Auto Root Failed on this device.
11:26:02 Rebooting Device and try again...
obiamente tampoco lo ha hecho