Perhaps it applies to the battery also has been found that replacing it is not easy but it can be dislodged course, well it seems that the site did not like the entrance MicroUSB existing system where that you can not be replaced without the screen output for this then you unpack the screen first to reach it, and this increases the risk that the damaged screen .
It seems that Ddath waterproof feature is one of the reasons why access to some internal pieces and replaced difficult, it does not seem that the site Said device in terms of hardware in general.