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What Happens to Your Passkeys If You Lose Your Phone
Lose your phone and your synced passkeys survive: Apple and Google restore them to your new device. Here is what happens and how to prepare
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The latest tech explainers on Rive News: sourced, human-written guides. Browse topics or read the newest stories below.
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How does two-factor authentication get bypassed by attackers?
Two-factor authentication stops most account takeovers, but SIM swapping, MFA fatigue and phishing proxies give attackers real ways around codes and apps.
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Passkey vs Password Manager: Which Is Actually Safer?
A passkey stores no shared secret on any server, while a password manager keeps all of them in one vault. Here is the honest safety
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What Is a Passkey and How It Works, Explained Simply
A passkey is a cryptographic login you unlock with your face or fingerprint. Here is how passkeys work in plain English, with no jargon
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Are Passkeys Really Unphishable? Explained in Simple Terms
Passkeys are called unphishable because each one is bound to its site's real domain. Here is how that protection works in simple
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How Do Passkeys Sync Between iPhone and Android Devices?
Passkeys sync inside each ecosystem, not across them. Learn how iCloud Keychain and Google Password Manager handle sync, plus the new FIDO
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Why does your phone get hot when charging, and when to worry
A warm phone on the charger is normal, but heat above about 45°C can damage the battery. Learn the temperature signs, causes, and when
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What Is RCS Messaging and Why Did iPhone Finally Get It
RCS upgrades iPhone-to-Android texting with read receipts, typing indicators, and photos. Here is what RCS is and why Apple finally adopted
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How to switch from eSIM back to a physical SIM card
Moving from eSIM back to a physical SIM card is a carrier process, not a phone setting. Learn the exact order, typical fees, and the one
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How to delete an eSIM profile properly on iPhone and Android
Deleting an eSIM profile takes seconds in iPhone or Android settings, but it never cancels your plan. Here is the correct order so you stay
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What is an eSIM, and how does it work?
An eSIM is a chip built into your phone that downloads carrier plans over Wi-Fi. Learn how remote provisioning works, from QR-code setup
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eSIM for smartwatch: how it works and what it can do alone
An eSIM smartwatch reaches cellular networks on its own, so you can call and text without your phone. Learn how setup, plans, and number
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Why do some carriers still not support eSIM in 2026?
Some carriers resist eSIM because upgrades are costly, easy switching threatens lock-in, and regional demand stays low. Here is what
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Apple plans two October launches: smart home hub, OLED MacBook Pro
Apple set October 13 for a smart home launch with a new hub, Apple TV 4K and HomePod mini, then October 27 for OLED MacBook Pro models
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How to Check If Your Phone Supports eSIM in 30 Seconds
Dial *#06# and look for an EID number to confirm eSIM support in under 30 seconds. This guide also walks through the iPhone and Android
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eSIM vs iSIM: what is the difference?
An eSIM is a dedicated chip on the phone's board, while an iSIM lives inside the processor itself. Qualcomm's Snapdragon 8 Gen
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How dual eSIM works on iPhone: two active lines explained
iPhone 13 and later can run two eSIMs at once and store eight or more plans. How dual eSIM works on iPhone, which models support it,
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eSIM After a Factory Reset: What Stays and What Goes
A factory reset can erase your eSIM along with everything else. iPhones offer a 'Keep eSIMs' option, and Pixels have
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Can an eSIM be hacked or cloned? The honest security answer
Researchers have cloned eSIM profiles in lab conditions, but it takes physical access. Here is what the Kigen disclosure proved,
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Can You Use an eSIM and a Physical SIM at the Same Time?
Yes. Most modern phones run an eSIM and a physical SIM together using Dual SIM Dual Standby. Here is how setup, line management, and data
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eSIM QR Code Not Working? 7 Fixes That Actually Work
Most eSIM QR failures come from expired or one-time-use codes, not your phone. Here is how to tell a dead code from a settings problem,
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Why Is Your eSIM Not Working Abroad? How to Fix It
Most eSIM failures abroad trace to five settings: carrier lock, activation timing, data roaming, the data line, and the APN. This guide
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eSIM vs physical SIM for international travel: what changes abroad
eSIM and physical SIM reach the same networks but differ on security, dual-SIM use, and switching phones. Here is how each works
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How many eSIM profiles can a phone store?
An iPhone 13 or newer can store 8 or more eSIM profiles, but only 2 work at once. Storage and active-line limits for iPhone, Samsung,
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Is eSIM Safer Than a Physical SIM Card?
eSIM vs physical SIM: SIM-swap fraud cost victims over $68M in 2021. Here is where the embedded chip wins, where plastic still wins,
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How to transfer an eSIM to a new iPhone or Android phone
Move your eSIM to a new phone in minutes with Apple's Quick Transfer or Android's tool. This guide covers iPhone, Android,
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eSIM: What It Is, How It Works, and Why Travelers Use It
An eSIM is a chip inside your phone that replaces the SIM card. Learn how it works, how to set one up, and why travelers and dual-SIM users