Turn off Smartvoice when hold power key1. Download app Settings Database Editor (SetEdit)
https://play.google.com/store/apps/details?id=by4a.setedit22 2. Open app SetEdit, find row power_long_press_voice , Edit Value , change 1 to 0, Save Change 
3. If it don't have, slide to the top, select Add new Setting , paste power_long_press_voice , Save, Edit Setting : 0 , Save Change
--> Done | |
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