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Why DoT’s SIM-Binding Order Cannot Work on iOS & Android — And the Only Technical Solution That Exists

Why WhatsApp, Signal & Telegram cannot do SIM-binding without OS support — and why GSM Mobile Connect is the only viable path.

Parag Kar by Parag Kar
2 Dec, 2025
in Tech Tutorial
Reading Time: 3 mins read
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Why WhatsApp, Signal & Telegram cannot do SIM-binding without OS support — and why GSM Mobile Connect is the only viable path.

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Tags: Android Read Phone StateCross Border ScamsDevice Binding vs SIM BindingDoT SIM BindingGSM Mobile ConnectiOS Privacy RestrictionsMobile Security IndiaOTT Regulation IndiaSignal SIM BindingSIM Access RestrictionsSIM AuthenticationSIM Binding IndiaSIM Swap FraudTelecom Policy IndiaTelegram SIM BindingWhatsApp SIM Binding
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