From March 1 your WhatsApp use set to change, SIM binding becomes mandatory: Here is what it means for users
India Today
Starting March 1, 2026, WhatsApp will make SIM binding mandatory for Indian users under government orders. The change could change how you use multi-device logins and WhatsApp Web everyday.
The Indian government is making SIM binding compulsory for WhatsApp users in the country, and this rule could significantly change how you use your account across devices. Starting March 1, 2026, the Department of Telecommunications (DoT), under the Telecom Cyber Security (TCS) Rules, 2024, will enforce mandatory SIM binding. In simple terms, your WhatsApp account will have to remain linked to the physical SIM card inserted in your primary phone.
The government has made it clear that there will be no extension beyond the February 28 deadline. According to the Union ministry, the decision is rooted in “national security” and the urgent need to curb rising cyber fraud cases across the country.
Across the globe, WhatsApp follows what it calls a “verify-once” model. You enter your phone number, receive a one-time password (OTP), and once your account is activated, you’re good to go. Even if you remove the SIM card later or use WhatsApp on linked devices like a laptop or tablet, the app continues to work without needing the SIM physically inside the phone.
But the new SIM binding rule will change this process completely for users in India.
Under the new framework introduced by the Department of Telecommunications (DoT), your WhatsApp account must remain continuously linked to the physical SIM card inserted in your primary device. In fact, the platform is expected to check roughly every six hours whether the registered SIM is actually inside your phone.
If you remove, replace, or deactivate that SIM card, WhatsApp will stop working until the original SIM is reinserted and verified again. This process will significantly impact how WhatsApp users in India access the platform across devices, including WhatsApp Web, desktop apps, tablets, and even secondary phones.
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