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→Matrix pesky red shield / account stuck / cannot verify a second "device": how to fix it
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== Frequently Asked Questions == | == Frequently Asked Questions == | ||
=== Matrix pesky red shield / account stuck / cannot verify a second "device" === | === Matrix pesky red shield / account stuck / cannot verify a second "device" === | ||
tl;dr: Logout old sessions in Matrix; reset Matrix key backup; locally backup your Matrix E2EE keys; [https://ems-docs.element.io/books/element-cloud-documentation/page/reset-cross-signing Reset Cross signing] See '''How to fix it''' below for full details. | |||
==== Steps to reproduce ==== | ==== Steps to reproduce ==== | ||
# You login into chat.mozilla.org with a "device", let's call it '''"device 1"''' e.g. Firefox release on your Mozilla work laptop (where a [https://spec.matrix.org/latest/#devices device] is every app where you login to Matrix. So the Element app on iOS is a "device". chat.mozilla.org on Firefox release on your desktop is another device, chat.mozilla.org on Firefox nightly is yet another device, chat.mozilla.org on Safari on your iPad is yet another device, etc). And you save your Matrix security key. All is good :-) | # You login into chat.mozilla.org with a "device", let's call it '''"device 1"''' e.g. Firefox release on your Mozilla work laptop (where a [https://spec.matrix.org/latest/#devices device] is every app where you login to Matrix. So the Element app on iOS is a "device". chat.mozilla.org on Firefox release on your desktop is another device, chat.mozilla.org on Firefox nightly is yet another device, chat.mozilla.org on Safari on your iPad is yet another device, etc). And you save your Matrix security key. All is good :-) | ||
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==== Actual Results ==== | ==== Actual Results ==== | ||
# You are never be able to verify device 2. Messages from device 2 always have a red shield. | # You are never be able to verify device 2. Messages from device 2 always have a red shield. | ||
==== How to fix it ==== | |||
# Log out all old inactive sessions (in the "Sessions" tab in the Matrix settings) | |||
# Reset key backup (Security & Privacy > Secure Backup) to reset the backup passphrase | |||
# Locally back up E2EE keys just in case (Security & Privacy > Cryptography) - shouldn't be necessary (verification keys aren't decryption keys) but you can never be sure with Element's crypto UX | |||
# [https://ems-docs.element.io/books/element-cloud-documentation/page/reset-cross-signing Reset Cross Signing] | |||
=== I cannot connect to Matrix after changing my Mozilla Account primary email address === | === I cannot connect to Matrix after changing my Mozilla Account primary email address === | ||