The article cites to reference 13, which is a CCP source.
The source says (in part):
which, according to google ...
Wrong assumptions can lead to wrong conclusions.
that probably these closed numbers belonged to the people who died
That assumes that each closed number belonged to one person (or maybe two numbers per person).
In China there exists (existed?) what are called "Click farms".
As per Yahoo Finance there can be hundreds of phones in one such Click Farm.
possibly attributed to cover up of deaths?
No, because as the Bloomberg article you link to points out, the likely explanation is that people are canceling extra phone plans. They may no longer be able to use extra phones due to changing economic conditions or travel restrictions.
It's probably premature to come to a firm conclusions on this, but the BBC has a newer article (March 28 vs 25) that additionally mentions that:
A paper released on Friday projected that fewer than 7,000 people would die of coronavirus in the UK in total. This figure is much lower than that in the modelling used by government.
So where did they get ...
The estimates in the BBC article are based on this 16 March 2020 report from the Imperial College COVID-19 Response Team : Impact of non-pharmaceutical interventions (NPIs) to reduce COVID19 mortality and healthcare demand
The paper says:
A minimum policy for effective suppression is ... population-wide social distancing combined with home isolation of ...
China did total lock down of 10 million in Wuhan and ~20 million in Hubei.
No-one in Europe or the UK has done that. UK is also "bit" bigger with their 60+ million people too.
UK's society is older than China's: 24% people above 60 versus 17% in China. It's 50% more of most vulnerable, old people that are susceptible to every kind of infection, including ...
This event happened in late January, but not in Wuhan. The restriction was imposed on the accommodation of someone who had been to Wuhan. It was soon seen by the government as an over-reaction, and the metal bars used to secure the door were removed.
China's investigative media XinJing Paper reported on it
Two videos of the door of a ...
You will be able to find way more sources and direct video evidence if you know Chinese.
In the first two clips in the article, you can hear the filmers were talking about the coronavirus outbreak in Chinese.
It is just a consequence of lockdown and quarantine, most likely not on every home but those who are not following lockdown/quarantine rules were ...