Unsolveable Proxy Issue.

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Jamesjake00121

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Hello,

I hope everyone is doing well. I've been using and Setting Up Proxies for some time now and I'm having a reccuring Issue which i cannot Seem to Solve.

Some Background:

1. Using An Android To Rotate My IP.
2. Used Different Mobile Carriers.
3. Used Different Softwares. (IPproxy + Proxodize)
4. Used Different Anti-Detect Browsers (Incognition + Multi-Login)

I installed IPproxy and Used Tello (A Mobile Carrier). I input all the information as asked on the Anti-detect Browser, and then get hit with ; "Google Has Detected Unusual Activity"

So I have talked to many people Here on the fourm and they said, its probably your carrier. So, I Switched To T-Mobile. Did The Same exact thing. Still, The same issue persists.

I then thought IPproxy was the issue so I have switched to Proxodize and The same issue again. I Must make it clear, when I use the Anti-detect browser by itself, no issue. When I use the Proxy by itself (on the android) VIA Proxodize, No issue. The moment I put the two together I get this issue of needing to solve 100 captchas.

I have also run HTTP + Normal Web (No Anti-detect) + Proxy on The Proxodize Extension and I did not have any issue.

Does anyone have any idea?

Many Thanks.
 
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I'm not familiar with those proxy platforms; in many cases I've always used iProxy. It's very important to have the phone with root permissions to use fingerprint functions to match the browser, or to work directly with UDP using OPVN.
 
Got you, Yeah Mistyped, I used IProxy [dot] online as well. I used "Default Assistant" option you think thats the issue?
SargentoPlaneta said:
I'm not familiar with those proxy platforms; in many cases I've always used iProxy. It's very important to have the phone with root permissions to use fingerprint functions to match the browser, or to work directly with UDP using OPVN.
Click to expand...
 
Jamesjake00121 said:
Got you, Yeah Mistyped, I used IProxy [dot] online as well. I used "Default Assistant" option you think thats the issue?
Click to expand...
The voice assistant is only for rotating IP addresses; only if you have a rooted device can you modify the device's fingerprint to match Windows, iOS, etc.
 
Seems like some IP leakage. Use ipleak dot net and check carefully for any IP / DNS leakages.
 
Then it's the mismatch of your anti-detect browser’s fingerprint and the IP of the proxy. You have to make sure they are align.
 
FocusFocus said:
Seems like some IP leakage. Use ipleak dot net and check carefully for any IP / DNS leakages.
Click to expand...
No leaks. Even waited for the proxy to rotate to make sure (As I've had that issue before).

I just used IProyal Residental, no issue.
 
saferidge said:
Then it's the mismatch of your anti-detect browser’s fingerprint and the IP of the proxy. You have to make sure they are align.
Click to expand...
Can you elaborate Please. Heard this might be the issue as well. (Please look at my previous reply, I think that's what you mean) Unsure how I would fix this though.
 
Update. 1/15/26

I used IPRoyal + 4G Proxy + Anti-Detect. Same Issue.
 
This happens because Google flags the fingerprint + proxy combo as inconsistent (mobile IP with desktop/antidetect fingerprint), so fix it by matching mobile proxy → mobile OS fingerprint, disabling WebRTC/IPv6 leaks, and avoiding Google services during warm-up until trust stabilizes.
 
Sometimes these could be some issues with TCP fingerprint or failing WEBRTC checks (correct UDP support).
 
Sounds like a UDP issue. Your anti-detect probably doesn’t support UDP, so TCP goes through the proxy but UDP checks can hit the real IP (IP mismatch). That’s why it works normally but breaks inside the anti-detect. You need an anti-detect + proxies that handle UDP.
 
Prosox_Proxies said:
Sounds like a UDP issue. Your anti-detect probably doesn’t support UDP, so TCP goes through the proxy but UDP checks can hit the real IP (IP mismatch). That’s why it works normally but breaks inside the anti-detect. You need an anti-detect + proxies that handle UDP.
Click to expand...
"our anti-detect probably doesn’t support UDP" No Even When I Just use my normal web, No Anti-Detect I get this issue.
 
Your issue is almost certainly a mismatch between the mobile proxy's actual geolocation and your browser's timezone/WebGL fingerprint - when you tether through your phone, the browser is leaking your local machine's timezone and canvas data that doesn't align with the carrier's IP location. Fix this by properly configuring the antidetect browser to match the carrier's IP geolocation (down to the city level) and use the proxy device's actual WebRTC/WebGL fingerprint rather than your local machine's default profile.
 
liyong601c said:
Your issue is almost certainly a mismatch between the mobile proxy's actual geolocation and your browser's timezone/WebGL fingerprint - when you tether through your phone, the browser is leaking your local machine's timezone and canvas data that doesn't align with the carrier's IP location. Fix this by properly configuring the antidetect browser to match the carrier's IP geolocation (down to the city level) and use the proxy device's actual WebRTC/WebGL fingerprint rather than your local machine's default profile.
Click to expand...

I have done this. I used Multi-Login Anti-detect Browswer and ensured the following is the same from Android to Browser:
  • Time zone
  • Location
  • Device fingerprint (Used Android OS)


I'd happily PM you if you'd like to share more details. Thanks!
 
Jamesjake00121 said:
No leaks. Even waited for the proxy to rotate to make sure (As I've had that issue before).

I just used IProyal Residental, no issue.
Click to expand...
Jamesjake00121 said:
Can you elaborate Please. Heard this might be the issue as well. (Please look at my previous reply, I think that's what you mean) Unsure how I would fix this though.
Click to expand...
Jamesjake00121 said:
Update. 1/15/26

I used IPRoyal + 4G Proxy + Anti-Detect. Same Issue.
Click to expand...

pro tip when doing 3 replys trit like this
 
Hey, I've dealt with this exact headache before. It sounds like you've done a great job isolating the variables. The core issue here isn't your carrier, your proxy app, or your anti-detect browser alone. It's the *combination* of a mobile proxy and an anti-detect browser's fingerprint that's creating a red flag for Google.

Think of it this way: Google sees a connection coming from a known mobile carrier IP (which is good), but the browser fingerprint from your anti-detect software (like the canvas, WebGL, or other hard-to-spoof parameters) doesn't match what's typical for a real Android device using that mobile network. This mismatch—a mobile IP with a non-mobile or "too-perfect" digital fingerprint—triggers their security system.

Your test proves it: the proxy alone works on a normal browser because the fingerprint matches a real Android device. The anti-detect browser alone works because it uses your clean home IP. But together, the signals conflict.

The fix is to meticulously align your anti-detect browser's profile. You need to simulate an exact Android device model and OS version. Double-check that all fingerprint settings (like the user-agent, resolution, and platform) are consistent and realistic for a mobile device. Sometimes, even a single mismatched detail in the profile can cause this. It's a tuning process to get that fingerprint to perfectly match what Google expects from your specific mobile IP.
 
kookeey said:
Hey, I've dealt with this exact headache before. It sounds like you've done a great job isolating the variables. The core issue here isn't your carrier, your proxy app, or your anti-detect browser alone. It's the *combination* of a mobile proxy and an anti-detect browser's fingerprint that's creating a red flag for Google.

Think of it this way: Google sees a connection coming from a known mobile carrier IP (which is good), but the browser fingerprint from your anti-detect software (like the canvas, WebGL, or other hard-to-spoof parameters) doesn't match what's typical for a real Android device using that mobile network. This mismatch—a mobile IP with a non-mobile or "too-perfect" digital fingerprint—triggers their security system.

Your test proves it: the proxy alone works on a normal browser because the fingerprint matches a real Android device. The anti-detect browser alone works because it uses your clean home IP. But together, the signals conflict.

The fix is to meticulously align your anti-detect browser's profile. You need to simulate an exact Android device model and OS version. Double-check that all fingerprint settings (like the user-agent, resolution, and platform) are consistent and realistic for a mobile device. Sometimes, even a single mismatched detail in the profile can cause this. It's a tuning process to get that fingerprint to perfectly match what Google expects from your specific mobile IP.
Click to expand...
Agree with this.

that combo is basically waving a giant red flag at Google.
  • Anti-detect browser = weird fingerprint
  • Mobile proxy / rotating IP = weird network
  • Both together = “this looks like automation / account farming / abuse” → Google’s risk system cranks captchas to 11.
That’s also why each part “works” on its own, but the second you combine them you get “unusual activity”.
 
the problem is likely a fingerprint mismatch between your mobile proxy and the antidetect browser profile. when you use an android phone as a proxy via iproxy or proxidize, the ip looks like a mobile carrier ip which is good, but if your antidetect browser is configured with a desktop user agent and desktop screen resolution, the platform sees a mobile ip with desktop behavior and that's a red flag.

make sure the browser profile in multilogin or incogniton is set to match mobile parameters - mobile user agent, mobile screen size, and touch events enabled. also check if the proxy is leaking your real ip through webrtc or dns. run a test on browserleaks through the antidetect profile before using it on any platform. the "default assistant" option in iproxy might not be configuring the proxy protocol correctly for your use case.
 
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