Chrome Users: Please note that LastPass has problems in iOS/iPadOS and as of 13.3.1, the fault is still present. All is not lost however as LastPass in the below example is tested and known to work correctly with Firefox as of iOS/iPadOS 13.3.1.

iOS/iPadOS Settings

  1. Open Settings
  2. Choose Passwords & Accounts
  3. Select AutoFill Passwords
  4. Check the box next to LastPass
  5. Uncheck the box next to iCloud Keychain.

LastPass App

Before you can access any passwords, you must have the LasstPass app installed on your iPhone/iPad and be logged-into the App with your LastPass Master Password

Web Browser

Although this example uses Firefox, the process is almost the same for Chrome users.

Step 1

  1. Select the password field.
  2. Open the share dialog by tapping on the 3 dots (Chrome users tap the share icon).
  3. Choose "Share Page With..." I did say the process was counter-intuitive...

Step 2

Tap LastPass

Step 3

Tap the password offered in the LastPass dialog.

That's it.

Conclusion

Although not a very intuitive process, using LastPass with a browser on iOS/iPadOS it's still pretty easy to use.

Answer from F1Linux on Stack Exchange
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LastPass
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LastPass
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Google Support
support.google.com › chrome › thread › 73067068 › hi-how-do-i-add-last-pass-extension-to-my-iphone-in-chrome
Hi how do I add last pass extension to my iPhone in chrome? - Google Chrome Community
Skip to main content · Google Chrome Help · Sign in · Google Help · Help Center · Community · Google Chrome · Terms of Service · Submit feedback · Send feedback on
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Chrome Web Store
chromewebstore.google.com › detail › lastpass-free-password-ma › hdokiejnpimakedhajhdlcegeplioahd
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GO PREMIUM FOR MORE POWER Try LastPass Premium free for 30 days and unlock: 📱 Unlimited device access across all platforms 🌐 Access on Edge, Firefox, and other browser extensions 🔗 Unlimited sharing of passwords and notes ☁️ 1GB of encrypted file storage 🛡️ Advanced MFA options like YubiKey 🚨 Emergency access for trusted contacts 💬 Priority customer support BUILT FOR SECURITY Your data is encrypted with bank-grade AES-256 encryption—only you can unlock your vault.
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Google Chrome · Mozilla Firefox ... · iOS (for iPhones and iPads) WatchOS (for Apple Watches) Download the LastPass extension for Chrome from the Google Play store....
Find elsewhere
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YouTube
youtube.com › watch
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This video explains how to install LastPass, a very safe and secure password safe, into your iOS device, how to add it as an extension to Safari, and how to ...
Published   November 4, 2020
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Login Lockdown
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App Store
apps.apple.com › us › app › lastpass-password-manager › id324613447
LastPass Password Manager App - App Store
GO PREMIUM FOR MORE POWER Try LastPass Premium free for 30 days and unlock: - Unlimited device access across all platforms - Access on Chrome, Safari, and other browser extensions - Unlimited sharing of passwords and notes - 1GB of encrypted file storage - Advanced MFA options like YubiKey - Emergency access for trusted contacts - Priority customer support BUILT FOR SECURITY Your data is encrypted with bank-grade AES-256 encryption—only you can unlock your vault.
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Reddit
reddit.com › r/lastpass › lp not filling passwords on ios chrome browser
r/Lastpass on Reddit: LP not filling passwords on iOS Chrome Browser
November 28, 2023 -

Posting how I was able to resolve in case someone has same issue. Searched and couldn’t find. On iOS 17.3, iPad Air. UID and Password wouldn’t fill, just kept returning blank fields. Tried turning off autofill in settings. Tried all the settings tricks. Tried Safari, which worked fine. Changed default browser to Safari. Later tried Chrome and all is ok. Changed default browser back to Chrome.

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LastPass
blog.lastpass.com › posts › your-digital-life-just-got-easier-on-your-iphone-and-ipad
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For optimal mobile experience, it’s recommended that you turn on autofill for mobile applications and turn on autofill for the iOS Safari Extension. Check it out! All summer, LastPass will deploy this new experience across devices and web browsers, which means Chrome and Firefox users get to look forward to this experience soon. Subscribe to the blog to be the first to know! Simplify your digital life with save and autofill of all your credentials, credit cards, addresses so you can move throughout your life seamlessly – and securely. Ready to start on your iPhone or iPad?
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