To perform a firmware update on Qashier X1 POS:
Tap on the "☰" icon on the top right-hand corner of the POS homepage
Swipe from the edge of the left screen, towards the right
Scroll down and select 'Apps'
Select 'Qashier POS'
Tap on the 'Force Stop' button followed by OK and the Qashier app will close
Tap on the 'Fota Update' app and it will bring you to the system update page with the current version stated
Tap on the 'check version'
There are 2 scenarios after tapping on check version:
It shows 'Current version is the latest version', if you receive this message, no action is required on your end
If prompted to download and update the current version, select the download button, followed by update
Once the system automatically restarts, you may return to your Qashier app and relogin accordingly
Here's a video guide from Step 1 to 9:
(This video guide is showing scenario 1)