Camera Error:Cannot Connect to Camera-Honor 4x. How can I get this working?

[AC Question]

Camera Error:Cannot Connect to Camera-Honor 4x

Device details

Model number:Che1-L04
Build number:Che1-L04C900B321
Android version:5.1.1

When I am opening camera it shows cannot connect to camera.But front cam is working.And when I restart my mobile both front and back cams working properly working.I don't know how to resolve it.please help me out.
Hoping for favourable reply
Thank you

 

[belodion]

Re: Camera Error:Cannot Connect to Camera-Honor 4x

Try Safe Mode.

 

[Ajay Irukulla]

Re: Camera Error:Cannot Connect to Camera-Honor 4x

How can I access Safe Mode.What does it really mean? can u Elaborate