EC25-EU cant connect to 4G with vodafone in Uinted Kingdom

Hi,
I am a new hand here to use the module. I used the M26 moudle port gateway to read sim cards in UK. However, it only accept 2G network operator. In United Kingdom, only vodafone and EE operator has 2G network and the sim cards can be used by the M26 moudle. However, when we use vodafone on M26, it will be blocked by saying “This number will be suspended for breaching Vodafone T&Cs. To review this decision please contact 07789654405” we just put the sims in the module and do nothing, the sims will be blocked wthin a few hours with no reason. Same situation as UK Vodafone Number Blocking Issue with QUECTEL M26 Gateways

My seller told me that Vodafone may block numbers which are always on 2G network, so he suggest me to buy some 4G modules.
He sold me a lot of EC25-EU modules to me, and when I try to use it with vodafone sims. The module only support 2G networks with vodafone. I tested other operator like EE, 3 UK, O2, the module can run with the 4G networks, only has problems with Vodafone. I have lots of vodafone sims so I want to know how to connect to 4G networks with vodafone in UK within the EC25 module or other module(i can rebuy).
Do I need to set any APN settings to connect to the 4G networks?
Or do I have a wrong modules, I need but Others?
I will be really appreciate if anyone can help me.

Thank you

Hi @tigerwu6
Yes, you need to set the correct apn to register for 4G.