Re install OS tena ndani ya simu(backup first).download Blackberry desktop manager then yenyewe automaticaly itaiupdate simu husika.kama utashindwa rudi jamvini utueleze.Tatizo la kujirestart ni OS yake imekorupt.
mimi pia same tatizo, inajirestart, nimedownload new os lakini siwezi kuinstal coz simu haiwi detected na blackberry desktop manager.. Natumia blackberry bold