Welcome to the Official BlackBerry Support Community Forums. This is your resource to discuss support topics with your peers, and learn from each other. New to the forum? Please visit the ‘Getting Started’ link below.
Team, I'm using a BB9790 Bold, current OS 7.1 bundle 2039 (v22.214.171.1244). I did a wireless update a week ago on my OS (I assume previously was OS 6.XX). After this update, my BB started to switching off randomly. I brought back my device to the local authorized service center and they did a complete new re-installation. This new OS installation didn't sort out my issue as my phone continues to switch off randomly! Moreover, when the phone restart, it's drain more than 50% my battery, even if the battery was full charged before. I tried to use the phone in Safe mode but doesn't help so much. It's really annoying situation! Do you have any advice or suggestion???