Archived from groups: alt.cellular.siemens (More info?
> I have an S55 that turns itself off about every other time
> that I send a text message. Does anyone know why it does so or
> what I can to do solve the problem? Should I be looking for a
> firmware flash?
I've had an S55 for a couple of years, and it's inapproprately
turned itself off twice in that time. It came with firmware
version 12. I upgraded it to version 16 from the Siemens site,
and then to version 91 when that became available. These
official Siemens DIY upgrades are a useful feature of their
Frequent problems can point to a hardware fault though - poor
battery contacts seem to be associated with this symptom in
some other phone brands.