Chosen Solution
Background noise whenever phone is connected via bluetooth as a result use the phone handsfree is useless. Please assist with the fix'
Are you using the Camry’ stock radio with Entune? If so, there was a major update from the dealer to fix issues with bluetooth. You may want to check with them on the update. If this update was installed, then you need to install the Entune app, and perform further updates to your radio with that app.