What does ttyUSB mean? Sometimes, the embedded microcontroller does not come with a hardware USB interface. While it is possible to use a software-only USB stack, the additional constraints put onto the CPU and the usually small storage size often lead board designers to include a dedicated UART to USB bridge.
Because of a busy weekend I didn't really follow up other than via emails and this still hasn't been resolved. The consistent word from them was that porting a number sometimes takes 24 to 48 hours.. I spoke to a rep by phone today who promised it would be done within 2 to 4 hours.. It wasn't.
You can order your new phone and contract from O2 before you receive your PAC code, so long as you give your PAC code to O2 as soon as you have it. It usually takes a couple of days to receive the PAC code, and a few days for the number to port (transfer) over to O2.his will allow you to transfer your mobile phone number from your current provider to O2. The process for transferring your mobile phone number from your current network to O2 is termed mobile number portability, or mobile number porting.