I think it is based on the source of custom rom.
In the EU we have restrictive limits to prevent people from damage


So htc might have implemented a software limit.
In old motorola KRZR days there was a table in the mobile to modify...
In the EU we have restrictive limits to prevent people from damage
So htc might have implemented a software limit.
In old motorola KRZR days there was a table in the mobile to modify...