Itaú Unibanco ❤️ Log In Log In

Can’t log in to Itaú? Itaú Unibanco is Brazil’s largest bank and the largest in Latin America, formed from the 2008 merger of Banco Itaú and Unibanco. Headquartered in São Paulo, it serves millions of customers. This guide covers everything you need to know about logging in to your Itaú account.

Quick Access

How to Log In via Mobile App

Download “Banco Itaú” from App Store or Play Store
Open the app and tap “Entrar” (Enter)
Enter your CPF or agency/account number
Enter your electronic password
Use iToken for transaction verification

How to Log In via Website

Go to itau.com.br
Click “Acessar conta” (Access account)
Enter your agency and account number
Enter your electronic password
Complete iToken verification
Access your dashboard

iToken Setup

Download the Itaú app
Log in with your credentials
Go to “Segurança” (Security)
Activate iToken on your device
Use generated codes for transactions

⚠️ Known Issues & Common Problems

🔴 App Crashes on Login: “It used to be a great app, since last week it started crashing randomly and now I can’t even type my password. Can’t access my iToken!” Multiple users report the app becoming unusable after updates.

🔴 Excessive Pop-up Ads: “Too many pop-up ads when opening the app – incredibly inconvenient and perhaps even dangerous when needing bank services during emergencies.” Ads interrupt urgent banking tasks.

⚠️ Malware Warning: Fake “Itaú” apps exist that try to steal your credentials. ONLY download from official App Store or Play Store. Never install banking apps from links in SMS or emails.

⚠️ iToken Not Working: If the app crashes before you can access iToken, you cannot complete transactions on the website either. Reinstall the app or visit a branch to reset your token.

💡 Troubleshooting Tips

App crashing: Clear cache, uninstall completely, restart phone, reinstall from official store
iToken issues: Go to a branch to reset your token if the app won’t open
Forgot password: Use “Esqueci minha senha” on the login page
Account locked: Wait 24 hours or call SAC at 0800 728 0728
Can’t reach support: Try WhatsApp at 11 4004-4828 instead of calling

🔒 Security Tips

ONLY download Itaú app from official App Store or Play Store
Never click banking links in SMS or email – always type itau.com.br directly
Itaú will NEVER ask for your full password via phone
Enable biometric login for faster, secure access
Never share iToken codes with anyone

😤 What Customers Are Saying

Itaú has a 7.8 out of 10 on Reclame Aqui with 23,000+ total complaints and 83% resolution rate. However, on Trustpilot it has just 1.9 out of 5 stars. Here are the most common issues:

🔴 Impossible to Contact

“Nearly impossible to make a call to the bank – it took 4 weeks trying to contact customer support.” Online tickets get closed without answers, taking 36+ days for resolution.

🔴 Account Access Issues

“The worst bank – it took months to get access to my online account due to an issue on the bank’s end.” Users report being locked out with no clear path to resolution.

⚠️ International Transfer Problems

Users report the bank “does not deposit money from abroad nor notify customers of its arrival.” International customers face significant issues receiving funds.

⚠️ Improper Charges

“Cobrança indevida” (improper billing) is a top complaint on Reclame Aqui. Customers report unauthorized fees and difficulty getting refunds.

✅ How to Protect Yourself

Document everything: Keep screenshots and protocol numbers for all interactions
Use Reclame Aqui: Public complaints often get faster attention than internal channels
Escalate to Ouvidoria: Call 0800 570 0011 after SAC fails (requires prior SAC protocol)
File with BACEN: Brazil’s Central Bank can pressure the bank to resolve issues

📞 Contact Itaú Unibanco

SAC (24h): 0800 728 0728
SAC (Hearing impaired): 0800 722 1722
Ouvidoria: 0800 570 0011 (9am-6pm, business days)
WhatsApp: 11 4004-4828

Website: itau.com.br
Help Center: Atendimento Itaú
Reclame Aqui: File complaint

Frequently Asked Questions

Why is the Itaú app not working?

App crashes are common after updates. Clear cache, uninstall completely, restart your phone, and reinstall from the official app store. If iToken is affected, you may need to visit a branch.

How do I reset my Itaú password?

Click ‘Esqueci minha senha’ on the login page. You’ll verify via SMS or email. For locked accounts or if this fails, call SAC at 0800 728 0728 or visit a branch.

What is iToken and why do I need it?

iToken is Itaú’s two-factor authentication. It generates codes required for transactions. Without it, you cannot transfer money or make payments online. It’s built into the Itaú mobile app.

Can I use Itaú outside Brazil?

Yes, the website and app work internationally. However, users report problems receiving international transfers. SMS verification may require international roaming.

Why can’t I reach Itaú customer service?

Long wait times are a major complaint. Try WhatsApp at 11 4004-4828 instead of calling. For urgent issues, file on Reclame Aqui – public complaints often get faster responses.

How do I contact Itaú Ouvidoria?

Call 0800 570 0011 between 9am-6pm on business days. Important: You must first open a ticket with SAC (0800 728 0728) and receive a protocol number before Ouvidoria will help.

Is the Itaú app safe?

The official app is safe, but malware exists that mimics it. ONLY download from Apple App Store or Google Play Store. Never install from links in SMS or emails.

What is Itaú’s Reclame Aqui rating?

7.8 out of 10 with 83% of complaints resolved. However, it has 23,000+ total complaints and just 1.9/5 stars on Trustpilot. Main issues: customer service access and improper charges.

Why are there pop-up ads in the Itaú app?

Itaú shows promotional ads when you open the app. Users complain this is dangerous during emergencies when quick access is needed. There’s no way to disable them.

How do I file a complaint against Itaú?

Start with SAC (0800 728 0728) and get a protocol number. If unresolved, escalate to Ouvidoria (0800 570 0011). Still not fixed? File on Reclame Aqui or with BACEN (Brazil’s Central Bank).

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Last Updated on December 22, 2025

URL: https://log-in.me/itau-unibanco-brazil-log-in/