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How to Clear Cache on Qashier POS (Fix a Slow POS)

If your Qashier POS feels slow or gets stuck, clearing the app cache usually fixes it. Clearing the cache logs the POS out, so check that your transactions have synced and have your login details ready first.

Applies to: All markets · Qashier POS on QashierX1, QashierXL, QashierXS and QashierX2 · Terminal PIN (if one is set for your store) and your QashierHQ email and password.

Before you start

  • Make sure the POS is connected to the internet. The app uploads its logs before it clears the cache and shows a connection error if it is offline.

  • Check that the latest transactions on the POS have synced. Log in to QashierHQ, go to Money & Finance > Transactions and confirm the latest transaction matches the one on your POS. Transactions that have not synced cannot be recovered once the cache is cleared.

  • Have your QashierHQ email and password ready. You must log in again afterwards.

  • QashierX2 and QashierXS: perform your settlement first, before you clear the cache.

Steps

  1. Go to the POS home screen.

  2. Tap the menu icon (☰) at the top right.

  3. Tap Why is my POS slow.

  4. Enter your Terminal PIN if prompted.

  5. In the Feeling POS slow? dialog, tap Clear Cache. If you would rather talk to us first, tap Open Live Chat instead.

  6. Read the warning and tap OK. The Qashier POS app closes.

  7. Open the Qashier POS app again from the device's home screen.

  8. Tap Allow on every permission pop-up.

  9. Log in with your QashierHQ email and password, then select your store.

What you should see: the POS loads your store again and runs faster.

Step-by-step video guide:

If something goes wrong

Symptom

Likely cause

Fix

A connection error shows when you tap Clear Cache

The POS is offline

Connect the POS to Wi-Fi or mobile data, then try again.

You cannot log in after clearing

Wrong credentials: the POS needs your QashierHQ email and password, not a staff PIN

Use the QashierHQ login. If you have forgotten it, contact Qashier Support.

Transactions are missing in QashierHQ after clearing

They had not synced before the cache was cleared

They cannot be recovered. Contact Qashier Support so we can check.

The POS is still slow

Another cause

Restart the terminal. If it is still slow, tap the menu icon (☰) > Support to open Live Chat, or contact Qashier Support.

Related articles

Last verified: 25 Sep 2026 · Markets: All markets

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