Settings and data
App lock
Protect Termphin with a PIN and fingerprint or face unlock.
Turn on PIN lock
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Open Settings. Tap Settings in the bottom bar.
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Find Security. Scroll to the Security section.
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Turn on PIN lock. Switch on PIN lock. The Set PIN screen appears.


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Enter a PIN. Type 4 to 6 digits. Tap Next.
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Confirm the PIN. Enter the same digits again. It is checked as soon as you type the last one. The lock is now on. The status shows “Enabled - required on launch”.
When you next open Termphin, you see the lock screen.


Turn on biometric unlock
After PIN lock is on, you can add fingerprint or face unlock.
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Open Settings > Security.
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Turn on Biometric unlock. Switch on Biometric unlock. If your phone has no fingerprint or face unlock set up, the row says Not available on this device.
Change PIN
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Open Settings > Security.
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Tap Change PIN. It shows while the lock is on.
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Enter a new PIN. Type 4 to 6 digits and tap Next.
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Confirm the new PIN. Enter it again.
Turn off the lock
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Open Settings > Security.
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Switch off PIN lock. Disable lock? warns that the PIN and biometric lock will be removed.
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Tap Disable.
Wrong PIN attempts
The unlock screen checks automatically after the last digit. You get three free tries. After that, a 30-second wait appears: “Too many attempts. Try again in 30s.” The wait doubles each time, up to 15 minutes. Closing the app does not reset the wait.