How to unblock Facebook Developer?

vlad_x

vlad_x

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Does this work? error:
We've noticed unusual activity on this developer account. Please complete
verification steps for access. ->

1️⃣ Transfer the profile to a mobile proxy;
2️⃣ Open incognito mode and log into the account (you can simply reset cookies and log in);
3️⃣ Receive SMS (sometimes you need to do it 2 times);
4️⃣ Done.

ℹ️ If the numbers sent to the number were not accepted, refresh the page. Without incognito mode and a mobile proxy, it will supposedly accept SMS, but the dev account itself will not be unbanned and you will simply receive SMS endlessly.
 
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Yes, the method you described can work ,but it depends on the kind of block. If it’s a soft restriction due to unusual login activity, using incognito with a clean environment helps, and receiving the SMS twice often does the trick.

But it’s not really about mobile proxies per se. What matters is resetting the session fingerprint completely: new IP, fresh user agent, no cookie residue.

If you’re still getting stuck in the SMS loop, try switching devices entirely or waiting 12–24h between attempts. Sometimes, their system flags the whole flow, not just the number.
 
Quite a few people overlook the device environment when dealing with verification errors, but it’s clear that using a mobile proxy and a clean (anonymous) session can have a big impact on recovery. Especially if old cookies or previous browser fingerprints have been marked. This approach makes sense in many cases where developer access is limited. However, has anyone tried a similar solution and still got stuck in an SMS loop? And if so, would changing the verification phone number make things worse?
 
1. Find the reason – Check your developer dashboard or email.


2. Fix the issue – Complete verification or correct policy violations.


3. Appeal – Use Facebook Developer Support to request review.
 
vlad_x said:
Does this work? error:
We've noticed unusual activity on this developer account. Please complete
verification steps for access. ->

1️⃣ Transfer the profile to a mobile proxy;
2️⃣ Open incognito mode and log into the account (you can simply reset cookies and log in);
3️⃣ Receive SMS (sometimes you need to do it 2 times);
4️⃣ Done.

ℹ️ If the numbers sent to the number were not accepted, refresh the page. Without incognito mode and a mobile proxy, it will supposedly accept SMS, but the dev account itself will not be unbanned and you will simply receive SMS endlessly.
Click to expand...
There can be many reasons for being blocked on Facebook Developer. Therefore, to overcome this blocking, you need to carefully understand the reason why the account is blocked. You can refer to some of the following reasons:
- The account violates the policy or has unusual activities that lead to being suspected of violating the policy. This can lead to both the IP and the account being blocked;
- Blocked by a browser or software;
- Access is limited by the network operator of that country.
Depending on the reason for the blocking, we can apply remedies such as:
- Change the network operator, change the device, change the IP address by moving the location or more simply, use a suitable proxy;
- Use another browser (depending on the country, there are suitable browsers). You can try anonymous access;
- Check for violations and make recommendations and protests in a polite, concise, and reasonable manner;
- Delete the applications that you are blocked from, try adding them again to see if it works;
If you have tried many methods but are still blocked, you can contact Facebook support to get advice from consultants to help you unblock.
 
Yes, this method can sometimes work, especially with mobile proxies and fresh sessions. But Facebook flags behavior fast - if the SMS loop continues, it usually means the account is deeply flagged and may need manual appeal via support.
 
It is true that using mobile proxy and entering incognito mode will help us feel more secure but if your account is still verifying with SMS loop then your account may have been highly restricted, you can contact FB support.
 
You’re absolutely right — device environment plays a bigger role than most people realize. We’ve tested quite a few variations during dev unlock attempts, and the SMS loop almost always happens when:
+ The browser fingerprint is too similar to flagged sessions
+ The phone number was recently reused across other accounts
+ The login doesn’t match previous geolocation/IP patterns
As for your question — yes, changing the verification number can backfire, especially if you attempt it mid-loop. Facebook’s system can interpret that as inconsistency and either freeze the session or escalate the block.
 
That method’s hit or miss! :suspicious: Mobile proxy + incognito can work, but if sms fails, try GoLogin for clean fingerprints or appeal directly via Facebook’s help center
 
Yes, it works but only if you use a clean mobile proxy and incognito mode properly. Without them, you'll get stuck in an endless SMS loop with no real unban :)
 
This method can temporarily handle the SMS step, but it will not completely solve the problem if the account is blacklisted by Facebook. The safest way is still:

Use a quality mobile proxy

Log in from a device that has never been used (or use a new virtual machine)

If it does not work, you need to submit an appeal or change to a new dev account.
 
Thanks guys.
I tried, the account was unblocked but then it was blocked again.
I guess I'll have to start all over again.
 
vlad_x said:
Does this work? error:
We've noticed unusual activity on this developer account. Please complete
verification steps for access. ->

1️⃣ Transfer the profile to a mobile proxy;
2️⃣ Open incognito mode and log into the account (you can simply reset cookies and log in);
3️⃣ Receive SMS (sometimes you need to do it 2 times);
4️⃣ Done.

ℹ️ If the numbers sent to the number were not accepted, refresh the page. Without incognito mode and a mobile proxy, it will supposedly accept SMS, but the dev account itself will not be unbanned and you will simply receive SMS endlessly.
Click to expand...

What if there is no SMS code sent? Is the problem with the FB account or proxy?
 
To unblock a Facebook Developer account, follow these steps:
-Check for Policy Violations: Review your account for any policy violations in Facebook Developer Console.
-Appeal the Decision: If blocked, submit an appeal through the Account Quality section or via Facebook support.
-Contact Meta Support: Reach out to Meta’s Developer Support for more information on why it was blocked and request a review.
Ensure your apps and usage comply with Facebook's Developer Terms to avoid future blocks.
 
For those still stuck in the SMS loop, changing the verification number might not help and could potentially make things worse. If the loop persists, you’ll likely need to appeal directly via support.
 
To unblock a Facebook Developer account:
-Review Policy Violations: Check if there are any policy violations or issues with your app in the Facebook Developer Console.
-Submit an Appeal: If blocked, submit an appeal through the Account Quality section or Facebook's support page.
-Contact Meta Support: Reach out to Meta Developer Support for more information on the reason for the block and request a review.
Make sure your apps follow Facebook's Developer Terms to avoid future issues.
 
This method makes sense. Using a mobile proxy and incognito helps avoid tracking issues. Refreshing the page if SMS isn’t accepted is a good tip. Worth trying carefully to see if it resolves the verification loop.
 
Check Facebook’s message to see why you’re blocked. Fix the issue they mention. Then appeal using the support form. Be clear, honest, and use simple words when you explain your case.
 
Using a mobile proxy and incognito mode can enhance security, but if your account is stuck in an SMS verification loop, it may be highly restricted. In that case, contact FB support.
 
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