Odd mobile wifi (1 Viewer)

[dunnah01]

My Motorhome Wifi roof aerial attached to a Huawei E5577C router gets slower and slower on my Tescomobile (O2) Unlimited SIM. This happens over between a couple of days to a couple of weeks. The odd thing is if I unplug the external aerials it goes back to a good speed but slowly deteriorates again until I plug the aerials back in and once again it goes to full speed. This never used to occur with any other SIMs.
SWMBO has a GiffGaff (O2) SIM in her phone which isn't affected. Just wondering if O2 throttle back their speeds if the SIM is used for data only but changing from external to internal aerial somehow resets the O2 clock?

 

[Bolti]

I have a Tesco mobile sim in my phone if I am using it as a hotspot to stream I sometimes start to get the blue circle of death. Turning off data on my phone then back on again cures the problem.

 

[pagey]

strange i have tesco mobile and never had a problem when streaming

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[donkey]

I have a Tesco unlimited sim in my home router. I have used over 400GB in the last few weeks without any issues.

Geoff