Unable to login to Supercell ID

yeehawk

I'm now trying to login to my Supercell account for more than appr. 2 weeks and always get the same stupid error message no matter what I do:

Oops! We blocked your request due to unusual activity. Please try again. If the issue persists, please restart the game or disable VPNs and proxies. In the case of persistent issues, please contact our player support.

Things I've already tested, which didn't resolve the issue:

try TOR Proxy instead of my VPN
reinstalling (with APK's and through Google Play Store)
enabled exploit protection compatibility mode in settings
tried ANY email

I didn't go in with my real IP to try out and I don't have to because someone else with the same exact problem, who reported this issue in this forum, already tried. Unfortunately, the post from 7 days ago has been deleted for whatever reason.

If its relevant, their login is guarded by Google reCaptcha. I'm using the Vanadium WebView, which shouldn't be blocking the Captcha. The player support has no idea what is causing this and since someone else WITH GRAPHENEOS already tried logging in with their REAL IP, I fear that even though that the error message says to disable VPNs and proxies, this isn't causing this issue and as far as I know, they are not really blocking any VPN's or proxies, it would harm their playercount more than you think it would actually benefit them in any way. Here is an important section from the post I was still able to retrieve through my google link description regarding the forum post: "Unable to login to Clash Royale Supercell ID [--> That was the title of the post, you can probably look the post through Google/Startpage up] I turned off my VPN, (Mullvad), reinstalled the game, tried with google play ..." I'm thinking that its rather something within GrapheneOS. I know that in February and March I was still able to login without any issues and now suddenly a post from another GrapheneOS user with the same problem to the same time? I think thats no coincidence.

mrn

they are not really blocking any VPN's or proxies, it would harm their playercount more than you think it would actually benefit them
I wouldn't be so sure about that, maybe it's my memory that's tripping, but I remember people getting banned or getting warnings for using VPNs on Clash Royale.
I know you really don't want to disconnected your VPN, but it might really just be that.
Your other solution is try other servers over and over again until you find one that's not blacklisted.
I don't have Supercell games on my phone right now, but I've never had issues with Supercell games in the past, I don't use Google Play Services, but I excluded their games from my VPN, and I always changed the appropriate settings like "Dynamic code", "Native code debugging" or "Hardened memory allocator" because Supercell games use those.

yeehawk

SOLUTION: After many failed attempts I can conclude: Supercell recently changed their Supercell ID system. You are required to have Google Play Services (GMS) installed otherwise it wouldn't work. This wasn't mandatory back in Feb. 2025 as I can recall. For GrapheneOS users: You can use the GmsCompat layer with no issues. The game itself doesn't require GMS, only Supercell ID (I'm guessing so that they can track your login of your GMS installation), which means after you've logged in, you can safely disable/remove GMS again.

spl4tt

I play brawl stars every day with my supercell ID. It works no problems. But I'm not using vanadium, I'm using ironfox as my main browser. Maybe the browser is indeed the problem - I've some other situations where vanadium would not work with things like this.

I don't think the vpn is the problem.

yeehawk

spl4tt I don't think the vpn is the problem

Yeah me neither. I'm also using Ironfox as main. Aside from your main browser, there is the System Webview and in GrapheneOS that is Vanadium. So it doesn't really depend on what your main browser is, as long as you do not change the WebView. It might be possible that the Vanadium WebView failing to load the Google reCaptcha is causing this.

spl4tt I've some other situations where vanadium would not work with things like this.

I've once also had issues trying to solve a Captcha that Singal was providing me. It didn't load because of some Vanadium System Webview issue until it was resolved.

Only logging in with your Supercell ID is not working. Playing the games work flawlessly even on my side. If I were you, I wouldn't log out of your Supercell account as you'd probably be facing the same issue. This issue only occurs when trying to login through Supercell ID. Can anyone please try it out, to register/login to ANY Supercell game through Supercell ID and tell us here, whether they were facing any issues? Thanks in advance!

yeehawk

I installed Android System Webview in hope that Supercell ID might only be asking for the existence of it's application ID, but its still not working. I'll see what I can do to downgrade my Vanadium Webview to the version which must've worked for me to login successfully to the game: 133.0.6943.49.0, which was on the 12th. February this year.

Any help or testing participation is appreciated!

yeehawk

mrn thanks for the response. I just tried it without VPN and its still not working. This has nothing to do with my VPN. Before this issue occured back in February, I was also routing my traffic through the same VPN and had no issues. Im thinking its an issue from the Webview, which fails to load the Captcha and thereafter Supercell reports it as "unusual activity" since this error is abnormal. As recommended, I checked on those settings and they were set up right for the game to function properly.

mrn

yeehawk
I see, sorry to hear that, in that case unfortunately I'm unable to help. I hope you find a solution to the problem.

de0u

yeehawk Thanks for the report! This information may well help other users.