The moment I moved overseas and needed basic international roaming for SMS (primarily for 2FA), the service completely broke down.
Despite enabling roaming both on my account and device, I was unable to receive text messages in central London. I raised this issue on 23 January and went through multiple rounds of generic troubleshooting responses — restart your phone, toggle airplane mode, reset network settings, try different networks, etc. None of it resolved the issue.
The most frustrating part was being told to complete processes that required receiving a verification SMS — when the core issue was that I could not receive SMS due to their roaming failure. It felt circular and completely disconnected from the actual problem.
Escalations were slow, inconsistent, and ultimately did not provide a functional solution. If you rely on your number for banking authentication, work logins, or any secure access while overseas, I would strongly reconsider.
Domestic service may be fine, but international reliability and support responsiveness were extremely disappointing.
I am still unable to port my mobile to a different provider due to Amaysim’s abysmal service.
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