Nothing to worry about! 

if you have an iPhone:

1.Go to monimoto app ->

2.Home tab ->

3.Upper left corner 'burger' menu ->

4.Swipe left (delete) your monimoto ->

5.Go to phone settings, go to bluetooth, select mm.xxxxxxxxxx device, click on (i) icon and press forget this device ->

6.Simply follow the wizard in the app and pair Monimoto with your phone again like you did the first time.

if you have an Android:

1.Go to monimoto app ->

2.Home tab ->

3.Upper left corner 'burger' menu ->

4.Long tap (delete) your monimoto ->

5.Simply follow the wizard in the app and pair Monimoto with your phone again like you did the first time.