Why Does My I Iphone 6 Show Only The Apple Icon When Switched On And Iphone 6

Chosen Solution

I have taken some time without using my iPhone 6 so when i switched it on ….it came on but showed only the iPhone icon and stopped there

You should replace the battery and then do an update through iTunes. If you know your battery is healthy just try an update you will need to put the phone into DFU or recovery mode for this.