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Message sending

I have recently swapped to O2 from Virgin, when I try to send text messages they come saying not delivered can you advise?

Resolved! SIM7600G-H 4G USB Dongle

Can I use my pay-monthly O2 SIM-only SIM card in a SIM7600G-H 4G USB Dongle?Available from : https://www.amazon.co.uk/Waveshare-SIM7600G-H-Industrial-Communication-Positioning/dp/B08BZKTZDJor from Pi-Hut: https://thepihut.com/products/sim7600g-h-4g-u...

Resolved! Foreign ringtone

Can I change any setting on my phone so that when working abroad it doesn't do a foreign ringtone?

Continuous dropping of calls

Hi, it’s been about 3 weeks now of my calls keep dropping out. It’s every time I’m on the phone and it’s becoming impossible to call anyone and stay on the line. It’s costing me £60+ for my phone and I can’t use it. Can somebody please tell me if the...

WiFi and 4G calling on Samsung A22 5G

I've checked to see whether my A22 5G has the correct firmware to support WiFi and 4G calling but it appears that it doesn't. Can you help me with finding out how I go about obtaining the correct firmware please?

Resolved! Old bills

Can I get a copy of my bills from june, July and august please for the number [Mod edit: Please do not share personal details as your posts are visible to the public. Thanks!]