| App / channel | HDFC Bank App UPI with UPI ID, UPI Number, QR, mobile/contact, Account+IFSC, collect, balance, PIN and history functions. | iMobile UPI, including ordinary UPI payments and a dedicated UPI Lite section on supported iMobile versions. |
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| Registration | Create a UPI ID/profile and link an eligible HDFC Bank account through the bank app; registration and later device/SIM/mobile changes are subject to the bank’s security cooling controls. | Link the eligible bank account in iMobile and complete the mobile/account verification plus UPI PIN setup. UPI Lite is separately enabled by selecting the bank account, adding value and authenticating setup with the UPI PIN. |
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| Authentication | UPI PIN secures ordinary UPI. HDFC documents debit-card/OTP/card-PIN based steps for PIN reset in relevant app flows; RuPay credit-card UPI uses a UPI PIN after card linking. | Ordinary UPI uses the UPI PIN. Eligible UPI Lite payments up to ₹1,000 are made without entering the UPI PIN after Lite has been funded/activated. |
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| Standard limits | App FAQ: up to 10 Send Money P2P transactions and ₹1 lakh per linked bank account within 24 hours. General limit page: P2P/P2M ₹1 lakh or 20 transactions in 24 hours; capital-market/defined collect categories ₹2 lakh; IPO ₹5 lakh. Scope conflict is preserved. | ICICI’s NRI UPI page currently states ₹1 lakh/day for its international-mobile UPI flow. The engine does not convert that NRI statement into a universal resident iMobile cap where the reviewed resident FAQ does not give an equally scoped single figure. |
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| Security cooling | New UPI user or changed device/SIM/mobile number: ₹5,000 for first 24 hours on Android and first 72 hours on iOS under the current HDFC Bank App FAQ. | Current NRI/international-mobile ICICI UPI guidance states ₹5,000 for the first 24 hours on Android and 72 hours on iOS after creation of a new UPI ID/VPA; this is stored as NRI-flow evidence, not generalized beyond its source scope. |
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| UPI Lite | Current RBI/NPCI framework is ₹1,000 per transaction and ₹5,000 maximum stored balance. A current-dated HDFC PayZapp article still carries older ₹500/₹2,000 copy, which is flagged as stale/conflicting rather than used as the current limit. | ICICI current FAQ: ₹1,000 per transaction, ₹10,000 cumulative usage per day and ₹5,000 maximum Lite balance. No additional KYC; Auto Top-Up is available; Lite excludes UPI International, AutoPay and Collect. |
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| RuPay credit-card UPI | HDFC allows eligible RuPay credit cards to be linked on UPI for merchant/e-commerce payment flows. HDFC currently states up to ₹1 lakh/day (₹2 lakh for certain special MCCs) subject to available card limit, with ₹5,000/day for the first 24 hours after linking; NPCI’s issuer/risk/customer-limit rule remains controlling if lower. | Eligible RuPay credit-card UPI should be evaluated as a separate card-funded merchant-payment state. NPCI prohibits P2P/P2PM/card-to-card/cash-withdrawal flows for linked RuPay credit cards and applies the lowest issuer-risk/card/customer limit. |
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| AutoPay / mandates | UPI AutoPay is treated separately from one-off UPI payments; NPCI mandate controls include modify/revoke/pause/unpause and pre-debit notification rules. | ICICI’s UPI Lite explicitly excludes AutoPay; recurring UPI therefore remains an ordinary UPI AutoPay mandate layer with separate authorization/control rules. |
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| Failure / recovery | UPI PIN can be reset through the bank app; device/SIM/mobile changes trigger temporary cooling. Incoming P2P limits and outgoing send limits are kept separate because HDFC publishes distinct controls. | On device change, ICICI instructs users to close the existing UPI Lite account so its balance is transferred back to the linked bank account before opening Lite on the new device; failed Lite debits have a documented refund/support path. |
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