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Try going into settings---general---restrictions---enable restrictions. Turn Installing Apps off and reboot. Then turn it back on and reboot. This fixed my missing icons so it may fix your mxed icons.
 
Try going into settings---general---restrictions---enable restrictions. Turn Installing Apps off and reboot. Then turn it back on and reboot. This fixed my missing icons so it may fix your mxed icons.

thanks... that fixed mine... now i'll have to rearrange the icons. 😀
 
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