Bad reception in Bexleyheath Lidl

The reception is getting worst since around Nov 2025 at the Lidl in Bexleyheath, London. (DA6 7LN). The signal strength as shown in the mobile phone is low.
It was not very good but still usable. But now, I have a difficulty even loading the Lidl app at the cashier which resulting great inconvenience. Further inside the store, I can't even load anything.
I use the mobile phone supporting all 4G and 5G frequency bands used in the UK. I wish someone can fix it urgently. Thanks!

Check the Vodafone coverage map for that area and use the 3 month plan ahead to see if improved.

Superuser25 The coverage for both 4G and 5G are good in the area according to Vodafone coverage map. Just happened the reception has getting worst since late last year. Not sure if the radio tower hardware or configuration have changed recently resulting the problem.