I recently had a problem with my Samsung S7 edge. It keeps on restarting and after removing cache, it still restarts after a few minutes. I found out that the most effective way to fix it is a factory reset. The problem is that, I am overseas and I could not receive any calls or text. Hence, I would not be able to verify my Whatsapp number.

Does anyone know whether Whatsapp requires verification after factory reset or does anyone know how to fix the problem?

Thank you!

  • Yes it does. You'll need to input the code sent to your phone number – esQmo_ Jul 3 '17 at 19:21
  • An alternative way would be to ask someone to forward the code to you if you left your SIM card home. – esQmo_ Jul 3 '17 at 19:25

Yes it will require verification, and you will need to be able to receive a text to verify your number with WhatsApp. If your device/carrier has the ability to send/receive texts over wifi, that may be an option for you to verify your number.

Per WhatsApp's FAQ Page here:


  • You can only verify a phone number you own.
  • You must be able to receive phone calls and SMS to the phone number you are trying to verify.
  • You must have any call-blocking settings, apps or task killers disabled.
  • You must have a working Internet connection through mobile data or Wi-Fi. If you are roaming or have a bad connection, verification may not work. Try opening www.whatsapp.com on your phone’s Internet browser to see if you are connected to the Internet.

If you didn't receive the 6-digit code by SMS

  • If the timer runs out before you receive the code, an option will appear to request a phone call. Choose the Call me option to request the call. When you answer the call, an automated voice should tell you the 6-digit code. Insert that to verify WhatsApp.
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