HARD RESED E850? ENGLISH PLEASE!!! What is key combination and press order for HARD RESET E850?? Please write answer in english! my automatic translation into Chinese is very bed!

• 什么是组合键和新闻指令为坚硬重新设置E850??请写答复在英语!我的自动翻译成汉语是非常床!或岗位图象以组合键。