| 4.90 unlock supported (not testd by me )
about battery: 4.90 supports new type of bateries :
BL-4BA BATTERY FOR RM-298
A new battery BL-4BA has been introduced for RM-298.
When using BL-4BA battery, MCU SW version 4.90 or later must be used, as
older SW versions than 4.90 support only BL-4B battery.
In service centres, please update the phone SW to version 4.90 or later,
if the battery is changed from BL-4B to BL-4BA, otherwise the battery
BL-4BA cannot be charged. |