says it has signal but won't work

[#1]

My phone says it has giff gaff recetion and I can use wifi fine however it won't let me send text messages and recieve calls even though I have a number to do it from. Help!

[#2]

Have you tried restarting the phone? Or manually selecting the network?

[#3]

@csams49 hi

check your area status here for service problems: https://giffgaff.com/coverage-and-service
if the signal is ok then see here (manual roam): to update and refresh your settings: https://community.giffgaff.com/t5/Using-giffgaff/Force-the-change-of-SMS-settings/ta-p/4871794
see here for your internet settings https://community.giffgaff.com/t5/Settings-for-your-device/Internet-and-MMS-settings-APN-guide/ta-p/...

Calls & texts not working
https://support2.giffgaff.com/app/ask/Calls-texts-and-data/Calls-texts-arent-working/form/

average response is about 4 hours, but times can vary
see agent replies here https://giffgaff.com/support/questions

[#4]

@csams49
Hiv, can you see, number, balance and goodybag here
Http://giffgaff.com/dashboard

Which phone do you have?
Do you see a signal bars and a connection symbol
(3G, 4G, H, E, gprs)

From your phone keypad dial
*100*7# and press call
Do the same with *100#

What does it say on the phone screen?
. Can you call 43430 and 443?