Why does WhatsApp keep looping after entering a phone number?
Answer
A registration loop after a ban usually means WhatsApp is still blocking the number, the date and time settings are wrong, or the number was entered without the correct country code. Restart on cellular data, set Date & Time to Automatic, and wait 24 hours before retrying if the account was recently restricted.
Follow these steps
Force-quit and restart on cellular
Open the app switcher, swipe WhatsApp away, restart the iPhone, turn off Wi‑Fi, and try registration once on cellular data.
You should see: WhatsApp either sends a verification code or shows a clear allowance or ban message.
Set date and time automatically
Go to Settings > General > Date & Time and turn on Set Automatically, then reopen WhatsApp.
You should see: The time matches the correct timezone and registration no longer fails silently.
Enter the full number with country code
Choose the correct country, enter the full mobile number without extra zeros or spaces, and do not open WhatsApp on another device during this attempt.
You should see: Verification proceeds or WhatsApp shows a specific restriction message.
Stop retrying if it still loops
If registration loops again after one clean attempt, wait about 24 hours before trying again, especially after a recent ban.
You should see: Later attempts are more likely to succeed once any temporary block expires.
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Extra tips
What to look for: Looping on Next after phone number entry, or the message “This account is not allowed to use WhatsApp,” especially after a recent ban and reinstall.
Before you change anything: Write down the exact message on screen. Use only the official WhatsApp app from the App Store. Avoid switching between phone and WhatsApp desktop during the first registration attempt.