User Guide

RB8762CJFDesigner’sGuide(RRD2Z50‐20190314001‐A09‐C2)
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Step 8. The firmware upgrade will start immediately. Once the screen shows “Update Success!”
means firmware upgrade successfully.
Step 9. When new firmware upgraded successfully through OTA, you must return RB8762CMB
to its original mode (master/slave). Issue “at+role0<CR><LF>” to enter slave mode and
“at+role1<CR><LF>” to enter master mode.