COOLPAD REVVLPLUS C3701A unlock need help

Unlock4samsung Wednesday, June 13, 2018

--------- 2018-06-13 17:25:25 ---------
SigmaKey 2.27.20b1 ADB: Direct unlock
* daemon not running. starting it now *
* daemon started successfully *
^ ROMaster Composite ADB Interface
Version: Linux version 3.18.31-perf-g14851d0 (buildfarm@bf-nj-02) (gcc version 4.9 20150123 (prerelease) (GCC) ) #2 SMP PREEMPT Wed Nov 29 18:13:37 CST 2017
Phone model: Yulong REVVLPLUS C3701A
Android 7.1.1; Firmware: 143.14.171129.3701A-TMO; Date: Wed Nov 29 16:28:53 CST 2017
Version: 143.14.171129.3701A-TMO
Baseband Firmware: MSM8953-3701A
Please ROOT the phone first!

plz help