1.2 Bind, Set Pin-code, Support MHO-C401
1.3 Get/Set comfort parameters
1.4 Get/Set device name, Get/Set MAC
1.5 Add Standard Device Information Characteristics
1.6 Fix alternation of Advertising in mi mode
1.7 Authorization and encryption in permissions to access GAP ATT attributes, if pin code is enabled
1.8 Time display (instead of a blinking smile)
1.9 Recording measurements to flash memory (cyclic buffer for 19632 measurements)
2.0 Recording measurements with averaging to flash memory
2.1 Periodic display refresh for MHO-C401, 'Erase mi-keys' option to return to original firmware