CCcam problem with CCW keys

    Hello experts, I am new to Linux receivers.I am using a Dm800HD se sim 2.1 for some month. I originally Installed Blackhole 2.1.5 and watched PowerVu scrambled channels with Oscam in 66E,68.5 etc...And watch Thaicom 5/6 channels with Biss key using CCcam 2.3.0. I use Constant.cw for biss keys.After installing IPTV addon from feeds both stooped.I reflashe the same firmware and Oscam workes but Biss keys are not opening.I changed my cam files and installed CCcam and Mgcamd using different ipks, stll not working.
    I flashed Blackhle 2.1.7 recently and it also Open PowerVu with Oscam but no Biss key channels. Keys are working because i tested with My Strong SRT 4920.I re flashed BH 2.1.5, as it worked with both cams but still only PowerVu.
    Can you help me to solve this?Thanks

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