Post office check and send

I had to use the post office check and send service for my sons first adult passport which run out the beginning of March, due to not able to get an acceptable digital photo. At the time of application 26th March HMPO were quoting on their website 5 week waiting time, we had 11 weeks before we flew. I received a text on 28th March saying they had received my application and it was awaiting to be checked. I then received an email on 2nd April saying they had received my application on 31st March awaiting to be checked so contradictory to the text. I have received nothing since, even though I’ve tried ringing emailing and texting? Anyone else used the post office check and send service which is the more expensive service and if so what are your experiences? Thanks Neil..