Union Bank Mobile Banking Not Working? Fix Vyom App Login & OTP Errors (2026)
Union Bank of India Vyom app or mobile banking not working today? Fix login failed, OTP not received, black screen and payment errors โ step-by-step. Customer care: 1800-222-244.
Official Links
Union Bank Mobile Banking (Vyom) Not Working? (2026 Fix)
Vyom is Union Bank of India's official mobile banking app โ launched after the merger of Andhra Bank and Corporation Bank into Union Bank. If Vyom app is not opening, login is failing, or OTP not coming โ this guide walks you through the fixes.
Quick check: Call 1800-222-244 (toll-free) or check @UnionBankTweets on Twitter/X to see if there's a known outage.
Common Vyom App Issues
| Issue | Likely Cause |
|---|---|
| Login failed | Wrong MPIN; account locked |
| OTP not received | Network issue; registered number inactive |
| Black screen / app not loading | Cache issue; old app version |
| "Service unavailable" error | Server maintenance or outage |
| Transaction declined | Wrong UPI PIN; limit exceeded |
| Biometric not working | OS update; permission revoked |
| App crash | Outdated version; device incompatibility |
Fixes โ Try in Order
Fix 1: Check Union Bank Server Status
- Call 1800-222-244 โ automated line confirms outages
- Search Twitter/X: @UnionBankTweets or "Vyom app down"
- Check downdetector.in โ "Union Bank of India"
- If outage confirmed, wait 15โ30 minutes and retry
Fix 2: Update Vyom App
- Open Google Play Store or App Store
- Search "Vyom - Union Bank of India"
- Tap Update if available
- Relaunch after updating
Union Bank periodically rolls out mandatory security updates. Old Vyom versions will block login.
Fix 3: Clear App Cache (Android)
- Settings โ Apps โ Vyom Union Bank
- Tap Storage โ Clear Cache
- Do NOT clear app data (you'll lose login credentials)
- Reopen Vyom
On iPhone: Uninstall and reinstall Vyom from the App Store.
Fix 4: OTP Not Received
- Ensure your registered mobile number is active with SMS
- Disable DND mode temporarily
- Check if SMS inbox is full โ delete old messages
- Wait 3โ5 minutes for delayed OTP
- If number has changed: visit Union Bank branch to update before attempting login
Fix 5: Reset MPIN
Forgot MPIN:
- On Vyom login screen โ "Forgot MPIN"
- Enter Debit Card number + ATM PIN (or card expiry + CVV)
- Enter OTP sent to registered mobile
- Set new 6-digit MPIN
Via Internet Banking:
- Login at unionbankonline.co.in
- Service Request โ Mobile Banking โ Reset MPIN
Fix 6: Re-register Biometric
- Open Vyom โ Settings โ Security
- Disable fingerprint/Face ID login
- Login with MPIN once
- Re-enable biometric and scan fingerprint again
Fix 7: Switch Network
- Turn off Wi-Fi โ use 4G mobile data
- Disable VPN before opening Vyom
- If on office network: switch to personal mobile hotspot
Fix 8: Reinstall Vyom
- Uninstall Vyom app completely
- Restart device
- Reinstall from Play Store / App Store
- Re-register: Customer ID โ OTP โ Debit Card โ new MPIN
Vyom vs Union Bank Net Banking
| Feature | Vyom App | Union Bank NetBanking |
|---|---|---|
| Fund transfers | โ | โ |
| UPI via app | โ | Limited |
| FD/RD management | โ | โ |
| When app is down | โ | โ โ unionbankonline.co.in |
| Balance check without internet | SMS: 09223008586 | No |
Frequently Asked Questions
Why does Vyom app say "Invalid Customer ID"?
Your Customer ID (CIF number) is different from your account number. Find it on your passbook, welcome letter, or bank statement โ it's typically 7โ10 digits. Not the account number.
Vyom app is stuck on loading screen โ how to fix?
- Force-close the app
- Clear cache (Settings โ Apps โ Vyom โ Storage โ Clear Cache)
- Switch from Wi-Fi to mobile data
- Reopen Vyom
- If still stuck: update/reinstall
My Union Bank transaction failed โ money deducted but not credited?
Wait 30 minutes โ most failed UPI/NEFT transactions auto-reverse. If not reversed in 3 working days: call 1800-222-244 with transaction ID, date, and amount.
Union Bank helpline
| Method | Contact |
|---|---|
| Toll-free 24ร7 | 1800-222-244 |
| Alternate toll-free | 1800-208-2244 |
| SMS balance check | SMS "BAL" to 09223008586 |
| customercare@unionbankofindia.com | |
| Branch | Visit nearest Union Bank branch |
Related Guides
Bank of Baroda Dormant Account Reactivation 2026 โ BOB World App Guide
Bank of Baroda dormant account reactivation 2026: activate inactive BOB savings account via BOB World app, net banking, branch โ documents needed, step-by-step guide.
Debit Card Blocked / Not Working โ All Banks Fix Guide 2026
Debit card blocked or not working? Fix blocked debit card for SBI, HDFC, ICICI, Axis, Kotak, PNB โ ATM declined, international blocked, online payment failed, PIN locked fix.
SBI Debit Card Blocked / Not Working 2026 โ Unblock via YONO Fix Guide
SBI debit card blocked or not working? Unblock SBI ATM card via YONO app, generate Green PIN, enable international/online transactions, request new card โ fix guide 2026.
Bank of Baroda Net Banking Blocked / Login Failed 2026 โ Fix Guide
Bank of Baroda net banking blocked or login failed? Reset Baroda Connect password, unlock user ID, BOB World app alternative, OTP issues โ fix guide 2026.
NACH Mandate โ How to View, Cancel & Manage All Auto-Debits (India 2026)
NACH mandate guide 2026: how to view all active auto-debit mandates, cancel NACH via bank app/net banking, stop unwanted auto-debits from EMI, insurance, OTT, SIP.