WhatsApp can only be used in one device per number. So the stolen S1 will have to verify again with your number. As long as your old phone's SIM blocked, he can't register with same number. So don't worry.

Your WhatsApp ID keeps safe. My experince is try to install WhatsApp on PC (with BlueStacks App). I verified it, then my WhatsApp on my phone asking to verify to use and it said 'WhatsApp can only be used in one device'. So then I verified on the phone, then on my PC, asking to verify. Nah, that's some example.

WhatsApp Messenger is a FREE messaging app available for Android and other smartphones. American Corrections 10th Edition Chapter 11 more. Endnote 6 0 1 Keygen Idm on this page. WhatsApp uses your phone's Internet connection (4G/3G/2G/EDGE or Wi-Fi, as available) to let you message and call friends and family. Switch from SMS to WhatsApp to send and receive messages, calls, photos, videos,.