CATEGORY · APP & TECHNICAL

When it bugs, we fix it.

Installation, performance, notifications, data, compatibility. To keep the app smooth and reliable every day.

18 articles 18 articles published ✓ Updated October 2, 2026
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INSTALLATION · ANDROID

Download the app on Android

No Google Play: the Android beta downloads from ktkarena.com/telecharger-beta. Allow the install if Android asks, then install (Android 7.0 or later).

3 min read
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PERFORMANCE · TROUBLESHOOTING

The app is slow or crashes

Close and relaunch, clear the cache, update, restart your phone. If nothing works, report a bug.

4 min read
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INSTALLATION · IPHONE

Ktkarena on iPhone: no app yet

No iPhone app yet. In the meantime, the web version, at app.ktkarena.com, opens in your iPhone's browser, with the same account.

2 min read
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ALL ARTICLES

Browse by subcategory.

Installation & updates

3 articles

Download the app on Android

3 min
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Ktkarena on iPhone: no app yet

2 min
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Update the app

3 min
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Performance & bugs

4 articles

The app is slow or crashes

4 min
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How to clear the cache

3 min
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Report a bug

3 min
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The app drains too much battery

3 min
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Notifications & alerts

2 articles

Enable or disable notifications

2 min
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I'm not receiving notifications

4 min
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Data & connectivity

3 articles

How much mobile data the app uses

4 min
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Using the app offline

3 min
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App connection issues

4 min
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Compatibility & devices

4 articles

Which devices are compatible

2 min
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Using the web version (on a computer)

3 min
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Multi-device sync

3 min
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Rooted or jailbroken device: what the app blocks

3 min
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Advanced diagnostics

2 articles

The app won't launch at all

4 min
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Reinstall the app without losing my data

3 min
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