Check your settings are correct and if your phone's fully updated .
if you reinstall the sim it should update the settings
Texting "settings" to 2020 will stop working shortly
Most phone manufacturers will soon start including giffgaff's APN settings in their software updates, for most newer phones.
This means that simply putting a giffgaff SIM card into a phone with the settings will automatically set up the internet and choose giffgaff as the carrier
If this doesn't work manually install the settings
So to manually set up these are settings required
password: [Leave blank]
Proxy: [Leave blank]
APN - Access Point Name: giffgaff.com
Password: [ leave blank ]
MMS proxy: 184.108.40.206
MMS port: 8080
APN type: mms
Do NOT press the " Reset Settings " button when you’ve done this. Just restart your phone.
iPhones and iPads can't edit the proxy manually, so it's best to reset the settings and then usehttp://giff.ly/iphonesettings
. Android and other OS phones will have to update it manually if a software update didn't work.