FullOn hardlock on the 2nd of the month

I wake up on the second of the month with my phone hard locked no calls coming in and none going out. I’ve received absolutely no communication from them as the process requires that they ought to inform me should the 31st DO not go through. Even if it didn’t go through on the second there ought to have informed me and nudged me to make a payment thereafter lock one way (usually outgoing calls). When I then don’t pay still they are allowed to do a full two way lock after the 10th or so. When I call their call centre I’m told it’s because I’ve been making manual payments “lately”. Needless to say it’s been over 5 years of me making manual payments every month. They literally have no justification for this abusive move on their part. In fact I want out of this stupid contract with their epileptic network. How dare! Worse this account is paid for already and they do this.