Chosen Solution

A couple years back I factory reset my phone and put it away on the shelf because I got a new phone however now when I plug it in, the light blinks orange and it wont turn on.Ive tried the key combinations many times but no luck. what could possibly be the problem when the phone was in perfectly good shape when I stopped using it?

Usually just a dead flat battery, these can take around a hour to get them to at least show the charging screen while plugged into a charger.