Docs
Step-by-step guides, in Vietnamese.
Each topic below links to the matching part of the full guide. Built-in docs search ships in Phase 3.
Full user guide
From install to creating orders, sending QR bills, auto reconciliation, reports — with screenshots.
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Install on Android
Download APK, grant permissions, setup in 2 minutes.
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⚡ Connect Zalo
Link via device token — stable 30 days, no daily re-login.
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💬 Connect Messenger
Pair your Facebook account.
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🛍 Create orders & send QR bills
From a chat message → sale order → QR bill in seconds.
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💰 Debt reconciliation setup
Connect payment sources, configure auto reminders.
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🧾 Accounting books & TT58 export
Auto-generated books, export Excel, thermal bill printing.
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🛠 Troubleshooting
Common issues: notification access, Zalo token, sync.
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📊 Reports & profit/loss
Cash flow, COGS, P&L, balance sheet, on-device AI Q&A.
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🤖 AI Advisor
Ask anything about your shop — answered from on-device data.
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💾 Backup & restore
Encrypted .ohbackup file — move data to a new phone safely.
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