Mtk 6580m imei write problem

hi sigma key team, i have one chinese handset having cpu mtk 6580m for writing imei . i rooted the set successfully , but software always gives is the log file. pls help me how to sort out this problem.

SigmaKey 2.17.01b1 ADB: Repair IMEI
* daemon not running. starting it now *
* daemon started successfully *
^ Android ADB Interface
Version: Linux version 3.10.72 (android@mht-35) (gcc version 4.8 (GCC) ) #1 SMP PREEMPT Sat Mar 19 12:31:24 CST 2016
Phone model: O6 O6
Android 5.1; Firmware: LMY47I; Date: Sat Mar 19 12:25:52 CST 2016
Version: LMY47I test-keys
Baseband Firmware: MOLY.WR8.W1449.MD.WG.MP.V6.P2, 2016/01/06 21:13
Baseband Processor: MT6580M
Mounting system disk……Permission denied.