Whenever we get a new phone, it is always a delight to explore to see what things are different from our previous phone, either good or bad. We tend to keep a manual handy to get the most of the handset and to try and help answer any niggling questions we have.
The Sony Ericsson Xperia arc only ships with a quick reference guide dubbed “My First Hour”, however if you want a more in depth manual, then click here [PDF] for 112 pages of bedtime reading.