their inability to switch their BBM account back to old BlackBerry devices
running BlackBerry’s operating systems.
access contacts, groups, and channels after trying to switch back to a
BlackBerry OS device.
BlackBerry OS devices, however, if you jump from a BlackBerry device to an
Android-powered BlackBerry (or otherwise), iOS, or Windows device, you will not
unable to successfully access BBM on a legacy BlackBerry device.
”We have recently
completed changes that prevent users from switching their accounts from an
Android, iOS, or Microsoft device to a BlackBerry 10 or BlackBerry OS device.
Also, in addition, BBM Enterprise users will no longer be able to switch their
BBM Enterprise account to a BBM consumer account on an Android, iOS, or
Microsoft device.” – BBM Product Management.
According to CrackBerry the problem of BBM getting “stuck”
on latest platforms arises from BlackBerry handing over the consumer BBM
service to Emtek. Therefore, if you still have BBM on an old legacy BlackBerry
device, it’s suggested that you don’t move your BBM account, but instead create
a new one when swapping to the newer platforms and leave your original account
on the BlackBerry phone.