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I am trying to install an app on my Android device via adb and this error appears all the time.

My device does NOT have a sim card, so I cannot activate install via usb or usb debugging security setting.

Worth mentioning:

-usb debugging is on and device model is Redmi Note8 Pro.

-installing via adb was working well and the issue appears after the recent device factory reset.

Lino
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Farbod Alidaei
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  • Maybe the signature of apk is different, if apk is installed already, did you tried uninstalling it – Agent_Orange Nov 16 '20 at 11:36
  • There is no app installed on the device, has been recently factory reset. – Farbod Alidaei Nov 16 '20 at 11:41
  • Does this answer your question? [INSTALL\_FAILED\_USER\_RESTRICTED : android studio using redmi 4 device](https://stackoverflow.com/questions/47239251/install-failed-user-restricted-android-studio-using-redmi-4-device) – royatirek Nov 16 '20 at 12:05
  • No. I made `NOT` bold to differentiate my question and the one you are referring. I have read the other one and did not find my answer there. Please reopen the issue. – Farbod Alidaei Nov 16 '20 at 12:14

1 Answers1

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Insert a sim, enable Install via USB and remove the sim. Toggle will remain switched on even after removing the sim.

Farbod Alidaei
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