Conversation so far:
when did the first blackberry phone come out
In 2002, the more commonly known convergent smartphone BlackBerry was released
who originally designed the blackberry
BlackBerry smartphones, tablets, and services were originally designed and marketed by Canadian company BlackBerry Limited, formerly known as RIM
where are the blackberry headquarters located
The global headquarters of BlackBerry are located Waterloo, Ontario, Canada

Question: who manufactures the devices
Self-contained rewrite: who manufactures blackberry devices