Linking the Mnemonica app
You have a strong session, in your browser or in the app on another device. Now you want the app on a new phone or tablet to have the same privileges, for example to open Strong Projects.
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A new device cannot become strong alone: another strong session must promote it. This guide shows you how. It takes about a minute.
Before you start
- The new phone or tablet, with a fingerprint reader, face unlock or a PIN.
- A strong session on one of these:
- the web app: the padlock next to your avatar is green and closed. If it is not, read Basic and strong sessions.
- the Mnemonica app on another phone or tablet.
Step by step
Select where you get the code.
From the web app
Install the app on the new device
Get the Mnemonica app from the App Store or Google Play.
Find the button next to your avatar
In the web app, look at the bottom left of the dashboard. Next to your avatar and the padlock, there is a phone button: Link the Mnemonica app.
The words show for a few seconds. Then only the phone icon stays. Point at the icon to see the words again.
If a device is already linked to your account, the button shows Link a device.
Get the code
Click the button. The web app shows a six-digit code. The code expires after 2 minutes. If it expires, click New code.
Keep this window open.
Open the Mnemonica app on the new device
If you are not signed in, tap I have a code on the sign-in screen.
If you are signed in with a basic session, open the user menu. Tap Enforce your security. The app asks you to add a passkey or to use a code. Choose the code.
Type the code
Type the six-digit code from the web app. Tap Link this device.
Check your name
Make sure that the app shows your name.
Enable biometrics
Tap Enable biometrics. The app creates a key for this device.
From then on, the app keeps you signed in with a strong session. The session stays active for 365 days.
See the confirmation in the web app
The web app shows App linked and the name of the device. Click Done.
You can rename or remove the device in Preferences / Security, on the API keys and devices tab.
From the app
Install the app on the new device
Get the Mnemonica app from the App Store or Google Play.
Open Link another device on the linked phone
In the app on the phone that is already linked, open the user menu. Tap Link another device.
You can also open Preferences / Security, select the API keys and devices tab and tap Link another device.
Get the code
The app shows a six-digit code. The code expires after 2 minutes. If it expires, tap New code.
Keep this screen open.
Log in with the code on the new device
Open the Mnemonica app on the new device. If you are not signed in, tap I have a code on the sign-in screen.
If you are signed in with a basic session, open the user menu. Tap Enforce your security. The app asks you to add a passkey or to use a code. Choose the code.
Type the code
Type the six-digit code from the linked phone. Tap Link this device.
Check your name
Make sure that the app shows your name.
Enable biometrics
Tap Enable biometrics. The app creates a key for this device.
From then on, the app keeps you signed in with a strong session. The session stays active for 365 days.
If something goes wrong
The button shows only in a strong session. If the padlock is open, your session is basic. Read Basic and strong sessions. On a small window, the button is only a phone icon.
You are signed in to the app. Open the user menu. Tap Enforce your security. Then choose the code.
A code works for 2 minutes and one time only. Get a new code with New code. Type the new code in the app.
You asked for a code on another screen or device. Use that code, or get a new one with New code.
Do not continue. The device that shows the code is signed in to a different account. Sign out of it and sign in with your account. Then get a new code.
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