APK installation failed: [INSTALL_FAILED_VERIFICATION_FAILURE]

Question

I'm trying to install an APK on a device running an AOSP build of Jelly Bean (4.2).

When I "adb install my.apk", I get the error:

[INSTALL_FAILED_VERIFICATION_FAILURE]

I've tried using "testsign.jar" to "sign" the apk but it does not change the outcome

Is "allow unsigned applications" enabled under settings-> security? — Cookster, Feb 22 '13 at 00:01
That setting does not exist, but the "Unknown sources" checkbox is checked... — dcarr622, Feb 22 '13 at 00:08

Reuben Tanner · Answer 1 · 2017-04-18T14:59:57.593

120

You need to disable verification of the APK during ADB install. If the setting in Security is greyed out or isn't working as it should try shelling into the device and, depending on which settings database the setting is in per your API level (Global, System, Secure) run

$ adb shell settings put global verifier_verify_adb_installs 0

If you can actually set it, it will prevent checking of APKs over ADB.

Sometimes you will need to disable the package verifier as well using:

$ adb shell settings put global package_verifier_enable 0

On KitKat, you can see here that these settings are in the Global database:

http://androidxref.com/4.4.2_r2/xref/frameworks/base/core/java/android/provider/Settings.java#5015

edited Apr 18 '17 at 14:59

answered Jan 07 '16 at 22:05

Reuben Tanner

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This is helpful but is missing where exactly I needed to put in that command. Thanks to [this answer](http://stackoverflow.com/a/42711665/1276636) I found the missing step. – Sufian Mar 10 '17 at 15:16
3

Could you please explain what does "verify APK" means here? Is it signature verification? My app seems to have a one (And there is not any apk without any signature I think) – Saleh Feb 05 '20 at 21:40
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"Verification" also requires network, so if you have airplane mode turned on, it will also fail. – mjs Jun 05 '20 at 12:04

score 79 · Answer 2 · edited Feb 05 '18 at 07:35

79

Go to developer settings and disable verify apps via USB. Then you can install .apk without any problem.

edited Feb 05 '18 at 07:35

Prashant_M

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answered Feb 05 '18 at 07:01

Abdul Hafeez

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score 51 · Answer 3 · answered Dec 20 '18 at 00:29

51

In your phone,Go to:

setting/DeveloperOption/verify apps over USB

and disable it.

answered Dec 20 '18 at 00:29

Maryam Azhdari

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How is this answer different to [this one](https://stackoverflow.com/a/51154492/9209546)? – jpp Dec 20 '18 at 00:48

score 37 · Answer 4 · edited Jul 20 '18 at 18:52

37

This what worked for, I was trying to install on device with android 6.0

Settings > Developer Options > Then Turn off Verify Apps over USB See first image

Then

Settings > Security > Then Turn on Unknown sources

Finally

Do not forget to uninstall your app and start afresh.

Got to Settings > Developer Options > Then Turn off Verify Apps over

Settings > Security > Then Turn on Unknown sources

edited Jul 20 '18 at 18:52

Reuben Tanner

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answered Jul 03 '18 at 12:19

Gpak

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Worked for me. Only step 1 is insufficient, step 2 is also needed. This is the correct answer. – Haomin May 06 '19 at 19:45

score 11 · Answer 5 · answered Mar 26 '20 at 06:09

The actual problem is Google play block your app! You need to turn off that

Go to the play store
Open the drawer and select Play Protect
Open the settings and turn off both Scan apps with play protect and Improve harmful app detection
Now it's your turn. Rebuild your app and launch it! Good Luck!

score 9 · Answer 6 · answered Oct 02 '18 at 17:10

9

UPDATED ANSWER: with the last Android updates, now the following error may show during installation of the APK because of Play Protect:

Failed to finalize session : INSTALL_FAILED_VERIFICATION_FAILURE
Session 'app': Error Installing APKs

In order to fix this (for developer purposes), you may disable Play Protect as it is shown here: installation app blocked by play protect.

answered Oct 02 '18 at 17:10

juliancrg

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Disabling Play Protect fixed my issue! – Mohammed Alawneh Jan 25 '19 at 17:40
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I was trying to run app on Genymotion. Turning off Play Protect resolved the issue. Thanks! – Ajji Mar 07 '19 at 19:37

score 5 · Answer 7 · edited Feb 22 '13 at 00:18

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You have to allow unsigned applications. The install is being blocked by Android. Allow install of non-market apps in Settings.

edited Feb 22 '13 at 00:18

StackExchange User

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answered Feb 22 '13 at 00:11

apollosoftware.org

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Where is this setting? There is a "verify apps" checkbox, but it's unchecked. http://i.imgur.com/AX20lnG.png – dcarr622 Feb 22 '13 at 00:16
It's also greyed out...not sure what that means – dcarr622 Feb 22 '13 at 00:17
Are you tethered with USB? Is USB Debugging enabled? – apollosoftware.org Feb 22 '13 at 00:23
Is the application already installed? It will show this when they are signed differently. – Cookster Feb 22 '13 at 01:22
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+1 for all the great suggestions. And here is mine: are you sure there is enough space wherever you are trying to install it? – Mr. Developerdude Mar 14 '13 at 00:27
touche on the space. that's a critical element overlooked often – apollosoftware.org Mar 14 '13 at 19:02

score 4 · Answer 8 · answered Apr 04 '17 at 00:12

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Aside from "settings put global verifier_verify_adb_installs 0", I also need to set package_verifier_enable to 0 in my case to make it work.

e.g.

adb shell

settings put global package_verifier_enable 0

answered Apr 04 '17 at 00:12

lordhong

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score 2 · Answer 9 · answered May 21 '20 at 17:15

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delete all directory -> {.gradle, .idea, app/build } and install again working for me

answered May 21 '20 at 17:15

Amar Singh

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deleting idea and gradle worked for me.. – Rohaitas Tanoli May 14 '23 at 16:20

score 1 · Answer 10 · answered Jun 06 '18 at 15:20

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None of the suggestions above worked for me, however factory resetting the device did the trick.

answered Jun 06 '18 at 15:20

Misha

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score 0 · Answer 11 · answered Jun 20 '14 at 12:09

As someone said, you need to have a signed apk to run it.In order to have a signed apk, right click on your project>Android tools>Export signed application package.You will then be prompted to locate your keystore, but if you don't have you can create one.Follow the next steps as guided by eclipse.

score 0 · Answer 12 · answered Oct 29 '18 at 06:50

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You can do this without any instructions like this: Go to settings on your device and then develooper setting and disable the option to confirm apps via usb. (Translation with google translate)

answered Oct 29 '18 at 06:50

mojtaba shirvani

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score 0 · Answer 13 · answered Sep 04 '19 at 09:26

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This happened to me in Android Studio after I reinstalled the OS on my PC - I was trying to test a build on a tablet. What ended up working for me was simply uninstalling the application on the tablet (built by the previous installation).

answered Sep 04 '19 at 09:26

Tymek

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score 0 · Answer 14 · answered Aug 23 '20 at 13:47

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turning on app debug in developer settings solved my problem

answered Aug 23 '20 at 13:47

medard mandane

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could you be a bit more specific as how to do that? I don't see anything that says "app debug" under developer settings. the closest I see is "Debugging > Select debug app" which doesn't pop up anything helpful. – Michael Jul 12 '22 at 23:30

score 0 · Answer 15 · answered Sep 20 '22 at 06:51

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I faced this issue, for me it was because the developer's option was not enabled for my emulator. you can enable it from settings as we do for real devices.

answered Sep 20 '22 at 06:51

Muhammad Umair Saqib

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APK installation failed: [INSTALL_FAILED_VERIFICATION_FAILURE]

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