Its first version of bolt in which UART and Cloud will not work.If you want to replace your old bolt unit with a new version of bolt you can send bolt unit and SD card to inventrom office. We will send you latest bolt unit in which you can use UART and Cloud efficiently.
Address - Pranav Pai Vernekar
10,Gaspar Apartment,Near Peoples High School,Fountainhas, Mala,Panjim- Goa 403001
For Courier related Enquiry - 09763744798