Como você vai saber o seu nível de API do Android?

You need to go to your phone settings and check your current android version.

Once you have your Android OS version, you can check the API level from the following site:

Codenames, Tags, and Build Numbers  |  Android Open Source ProjectRQ3A.210805.001.A1 android-11.0.0_r40 Android11 Pixel 3, Pixel 3a, Pixel 3a XL, Pixel 3 XL, Pixel 4, Pixel 4a, Pixel 4a (5G), Pixel 4 XL, Pixel 5 2021-08-05 RQ3A.210705.001 android-11.0.0.0_r39 Android11 Pixel 3, Pixel 3a, Pixel 3a XL, Pixel 3 XL, Pixel 4, Pixel 4a, Pixel 4a (5G), Pixel 4 XL, Pixel 5 2021-07-05 RQ3A.210605.005 android-11.0.0_r38 Android11 Pixel 3, Pixel 3a, Pixel 3a XL, Pixel 3 XL, Pixel 4, Pixel 4 XL, Pixel 4a, Pixel 4a, Pixel 4a (5G), Pixel 5 2021-06-05 RQ2A.210505.003 android-11.0.0.0_r37 Android11 Pixel 4a (5G), Pixel 5 2021-05-05 RQ2A.210505.002 android-11.0.0.0_r36 Android11 Pixel 3, Pixel 3a, Pixel 3a XL, Pixel 3 XL, Pixel 4, Pixel 4a, Pixel 4 XL 2021-05-05 RQ2A.210405.006 android-11.0.0_r35 Android11 Pixel 3, Pixel 3 XL 2021-04-05 RQ2A.210405.005 android-11.0.0_r34 Android11 Pixel 3, Pixel 3a, Pixel 3a XL, Pixel 3 XL, Pixel 4, Pixel 4a, Pixel 4a (5G), Pixel 4 XL, Pixel 5 2021-04-05 RQ2A.210305.007 android-11.0.0.0_r33 Android11 Pixel 4a, Pixel 4a (5G), Pixel 5 2021-03-05 RQ2A.210305.006 android-11.0.0_r32 Android11 Pixel 3, Pixel 3 XL, Pixel 3a, Pixel 3a XL, Pixel 4, Pixel 4 XL, Pixel 4a, Pixel 4a (5G), Pixel 5 2021-03-05 RQ1D.210205.004 android-11.0.0.0_r31 Android11 Pixel 3, Pixel 3 XL, Pixel 4a (5G), Pixel 5 2021-02-05 RQ1C.210205.006 android-11.0.0.0_r30 Android11 Pixel 4a (5G), Pixel 5 2021-02-05 RQ1A.210205.004 android-11.0.0_r29 Android11 Pixel 3, Pixel 3a, Pixel 3a XL, Pixel 3 XL, Pixel 4, Pixel 4a, Pixel 4a (5G), Pixel 4 XL, Pixel 5 2021-02-05 RQ1D.210105.003 android-11.0.0.0_r28 Android11 Pixel 3, Pixel 3 XL, Pixel 4a (5G), Pixel 5 2021-01-05 RQ1A.210105.003 android-11.0.0_r27 Android11 Pixel 3, Pixel 3 XL, Pixel 4, Pixel 4a (5G), Pixel 4 XL, Pixel 5 2021-01-05 RQ1A.210105.002 android-11.0.0_r26 Android11 Pixel 3a, Pixel 3a XL, Pixel 4a 2021-01-05 RP1A.201005.004.A1 android-11.0.0_r25 Android11 Pixel 2, Pixel 2 XL 2020-10-05 RQ1D.201205.012.A1 android-11.0.0_r24 Android11 Pixel 5, Pixel 4a (5G) 2020-12-05 RQ1A.201205.003.A1 android-11.0.0_r23 Android11 Pixel 3, Pixel 3 XL 2020-12-05 RQ1A.201205.011 android-11.0.0_r22 Android11 Pixel 5, Pixel 4a (5G) 2020-12-05 RQ1A.201205.008.A1 android-11.0.0_r21 Android11 Pixel 4, Pixel 4 XL 2020-12-05 RQ1A.201205.010 android-11.0.0_r20 Android11 Pixel 5, Pixel 4a (5G) 2020-12-05 RQ1A.201205.008 android-11.0.0.0_r19 Android11 Pixel 4a, Pixel 4, Pixel 4 XL 2020-12-05 RQ1A.201205.003 android-11.0.0.0_r18 Android11 Pixel 3a, Pixel 3a XL, Pixel 3 XL, Pixel 3 2020-12-05 RP1A.201105.002 android-11.0.0_r17 Android11 Pixel 3, Pixel 3a, Pixel 3a XL, Pixel 3 XL, Pixel 4, Pixel 4a, Pixel 4 XL 2020-11-05 RD1B.201105.010 android-11.0.0_r16 Android11 Pixel 4a (5G), Pixel 5 2020-11-05 RD1A.201105.003.C1 android-11.0.0.0_r15 Android11 Pixel 4a (5G), Pixel 5 2020-11-05 RD1A.201105.003.B1 android-11.0.0_r14 Android11 Pixel 4a (5G), Pixel 5 2020-11-05 RD1A.201105.003.A1 android-11.0.0_r13 Android11 Pixel 4a (5G), Pixel 5 2020-11-05 RD1A.201105.003 android-11.0.0_r12 Android11 Pixel 4a (5G), Pixel 5 2020-11-05 RD1A.200810.022https://source.android.com/setup/start/build-numbers

Este é o site oficial do Android.

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Agradecimentos e Cumprimentos,

Rishabh Panesar