① Deleting MOTHER information from your previous device.
・Sync MOTHER with your previously used iPhone.
・Once the sync is complete, delete the app. Note: To delete the app, long-press on it; do not swipe up.
・In your iPhone's Bluetooth settings, if you find MOTHER listed in 'My Devices' select the ⓘ icon and choose 'Forget This Device'
② Registering on a new smartphone.
Pair MOTHER with the smartphone you intend to use from now on. Note: If the pairing indicator doesn't light up, try performing a factory reset.