Offline billing on Riser POS means the Android phone or tablet Dimdul prepared can still take cash sales after you unplug the shop Wi‑Fi and turn off mobile data. Sales sync when the connection returns. That is the same floor test Dimdul runs on install—not a cloud-only dashboard that freezes mid-rush.
Steps
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Prepare while online
Sign in on the Android till and load the menu or product list while the connection is up.
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Kill the network
Turn off Wi‑Fi and mobile data before peak service.
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Ring three cash sales
Add items, take cash, and print or show the receipt. Essential selling continues offline.
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Restore and sync
Turn the connection back on. Data syncs depending on setup.
Dealer counters that bill cartons on Android when broadband drops can also read bill on Android when broadband drops. Restaurant load-shedding context stays on Dimdul’s offline restaurant POS guide.