user: Your PAYG SIM ordering page is broken, fill in the form diverts to which returns a 404.
agent: Hi Ross, 😕 Have you tried using an alternative browser? Chat to us here and we can help you further.
user: It's not the browser... it's a server-side error. Try the process yourself. fill in form, click "Send me my SIM"
agent: We have tried with Mozilla Firefox and it's worked, have you tried using this browser?
user: Hmm, works if I manually enter my address, not if I select it from a list. So (a) that's a bit annoying (b) the error is very misleading if you DM me I'll give you the address details I used to get that error ... I can't be the only person it's affecting.
agent: Have you managed to order one now? You can DM us here:
user: DM sent... try that, you'll see what I mean :D
agent: Thanks, we've just replied ✉

Customer is complaining about the issue with filling the form to order a new SIM. Agent requests to try with the alternate browser for the process and suggests to use Mozilla Firefox.
### Instruction: Below is a conversation between a human and an AI agent. Write a summary of the conversation.

### Input:
user: Your PAYG SIM ordering page is broken, fill in the form diverts to which returns a 404.
agent: Hi Ross, 😕 Have you tried using an alternative browser? Chat to us here and we can help you further.
user: It's not the browser... it's a server-side error. Try the process yourself. fill in form, click "Send me my SIM"
agent: We have tried with Mozilla Firefox and it's worked, have you tried using this browser?
user: Hmm, works if I manually enter my address, not if I select it from a list. So (a) that's a bit annoying (b) the error is very misleading if you DM me I'll give you the address details I used to get that error ... I can't be the only person it's affecting.
agent: Have you managed to order one now? You can DM us here:
user: DM sent... try that, you'll see what I mean :D
agent: Thanks, we've just replied ✉

### Response:
Customer is complaining about the issue with filling the form to order a new SIM. Agent requests to try with the alternate browser for the process and suggests to use Mozilla Firefox.