Terry D wrote:
snip>
> After several hours with the battery & SIM card removed, the phone is
> now working again. The red circle under the battery is a moisture
> indicator and presumably deactivates the phone to avoid any damage.
> Maybe it will eventually change colour again. I still can't
> understand how this happened, as the phone has never been wet, apart
> from a few drops of lager!
> Terry D.

The red spot will remain red and any remaining warranty will likely not
be honored. However it is not a sensor that shuts off the phone and is
unrelated to why your phone is working again. It is simply a moisture
indicator. There are others inside the phone too.