Please check following flow.
・Android
・iOS
▼Android
1. Open "Google Play"
2. Click *"my app & game*
3. Select "Unipos"
4. Click "update"
▼iOS
▽iOS 13 ver.
1. Open "AppStore"
2. *Tap* a user icon
3. Scroll down & Update "Unipos"
▽iOS 11 ver. or more
1. Open "AppStore"
2. Open a tab of "Update"
3. Scroll down & Update "Unipos"
▽less than iOS 11 ver.
1. Open "AppStore"
2. Tap a tag of "update" ten times
3. tap "Unipos"
Please note that it may take some time before the update is completed.
If it does not work completely after performing the above operations, please try again later.