- Search POS/ Invoice from POS/ Invoice grid. Then click on Action–> Click Serial link.

- It will open up a popup to Assign/ Exchange/ Return serial#
- Click on assign will load Location with serial qty exist in stock.
- Select proper serial number by choosing proper location and serial# from drop down. If you want then you can add note too. Then click save
- After save it will show Serial History of that POS/Invoice