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O2/Giffgaff SIM network support

I am trying to find out which networks O2/Giffgaff SIM cards use and support.I am thinking of getting a TP-LINK M7000 mobile WiFi device and I have been told that I need to make sure that the SIM card supports the following network types: 4G: FDD-LTE...

I watch

I have recently upgraded and now my watch has stopped working in line with my phone. It says no sim and no connection?. How do I my watch to pair again with my phone?Thanks

Data

Can u give me some data please to last me till next Friday iv got £2 credit could u add to it for me please to help me out

How do I get a honest answer or response from o2

How can I get a response from o2

Phone cuts out after 10 - 12 minutes every call

Since moving form Virgin to O2 every call I make the phone cuts out after 10 - 12 minutes every call. This never happened before the switch and it is driving me mad.Is there a quick fix for this?

Calling non-UK numbers

I am no able to call non-UK numbers from my iPhone 15 - the problem was also there with my previous iPhone.

Sim card

Hi we have had a sim card from yourself for 2 months and never used it has my partner was waiting for her pay has u go to run out. We were told when it was nearly done to get in touch and u would send a new one out with her old number so she could ke...

Data only sim

Using a Samsung A9+ tablet with o2 data only sim. Loaded 10Gb data on sim at home via WiFi. Now roaming in Guernsey without access to wifi and get no data connection. APNs are O2 Mobile Broadband, O2 MMS.Network operators Sure and JT won't allow conn...

sign in codes

Its dumb that you have to pay the overseas roaming fee to get a text message to sign into your account..... Cant you e mail or whattapp the codes?

Changing from old provider, cannot receive security text to allow me to access the app/my o2

I am switching from old provider and was hoping to use esim. I cannot access my o2 account as old provider has been cancelled before new sim installed, so cannot receive 6 digit security code texts

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