there’s a few auth related failures, not sure which one does bring it all to a halt in the end - to get a fitting report in microGs bugtracker is looking for some of the error messages or common libraries (as Unity).
You could put the logcat up at Can't log in to Ingress Prime with Google · Issue #990 · microg/GmsCore · GitHub as the last log is from 2019
I think the lines preceding any “<pid> <pid> E Unity ..” helps categorizing
Auth Result not handled: GooglePlayNotReady
11-06 10:25:41.591 4784 4886 I bauth_FPBAuthService: pcf : 0x1012, 0 ,2 ,0 ,0 ,0 ,2, 5.0.0.25
11-06 10:25:41.591 4784 4886 I bauth_FPBAuthService: thread id : 2, preenroll_flag : 0, nd cnt : 1, cso : 0, et : 0
11-06 10:25:41.591 4784 4886 I bauth_FPBAuthService: FPBAuthService, 11438
11-06 10:25:41.706 5115 5201 E Unity : [Campfire] Have not registered type Niantic.Platform.SocialWebview.Internal.TokenSignInService
11-06 10:25:41.706 5115 5201 E Unity : #0 0x7a48495108 (libunity.so) ? 0x0
11-06 10:25:41.706 5115 5201 E Unity : #1 0x7a488c6ca8 (libunity.so) ? 0x0
11-06 10:25:41.706 5115 5201 E Unity : #2 0x7a4818afec (libunity.so) ? 0x0
...
11-06 10:25:48.647 5515 5515 D CarrierSvcBindHelper: No carrier app for: 0
11-06 10:25:48.648 5515 5515 E PhoneInterfaceManager: [PhoneIntfMgr] getCarrierPackageNamesForIntentAndPhone: No UICC
11-06 10:25:48.648 5515 5515 D CarrierSvcBindHelper: No carrier app for: 1
11-06 10:25:48.649 5515 5515 D ImsResolver: maybeAddedImsService, packageName: com.nianticproject.ingress
...
11-06 10:25:48.845 5115 5310 I PlayCore: UID: [10180] PID: [5115] IntegrityService : requestIntegrityToken(IntegrityTokenRequest{nonce=IJaylV6YNgjHESxgLJAqfw==, cloudProjectNumber=null})
11-06 10:25:48.849 5115 5779 I PlayCore: UID: [10180] PID: [5115] IntegrityService : Initiate binding to the service.11-06 10:25:48.850 4947 14214 W ActivityManager: Unable to start service Intent { act=com.google.android.play.core.integrityservice.BIND_INTEGRITY_SERVICE pkg=com.android.vending } U=0: not found
11-06 10:25:48.850 5115 5779 I PlayCore: UID: [10180] PID: [5115] IntegrityService : Failed to bind to the service.
11-06 10:25:48.863 4947 7877 W AppOps : Noting op not finished: uid 10180 pkg com.nianticproject.ingress code 1 startTime of in progress event=1730885148030
11-06 10:25:48.865 4947 4947 W AppOps : Noting op not finished: uid 10180 pkg com.nianticproject.ingress code 1 startTime of in progress event=1730885148030
11-06 10:25:48.874 6269 20025 D AuthSignInService: com.nianticproject.ingress:signOut(GoogleSignInOptions[scopes=[openid, profile, email], idTokenRequested=true, forceCodeForRefreshToken=false, serverAuthCodeRequested=false, serverClientId="369030586920.apps.googleusercontent.com"])
11-06 10:25:48.875 6269 19562 D AuthSignInService: com.nianticproject.ingress:signOut(GoogleSignInOptions[scopes=[openid, profile, email], idTokenRequested=true, forceCodeForRefreshToken=false, serverAuthCodeRequested=false, serverClientId="369030586920.apps.googleusercontent.com"])
11-06 10:25:48.889 5418 5727 W WM-Processor: Didn't find WorkSpec for id WorkGenerationalId(workSpecId=6e2c2b1b-f23a-4bff-bbd5-2a257eff7a7d, generation=0)
11-06 10:25:48.893 5418 5727 I WM-WorkerWrapper: Worker result SUCCESS for Work [ id=3ff08ea6-5bb5-4376-9b9d-930f07f9f95b, tags={ com.unitedinternet.portal.account.ObfuscatedUserIdWorker } ]
11-06 10:25:48.895 6269 6269 D GmsAuthManager: peekAuthToken: com.nianticproject.ingress:2fdd51d9ad71baab182b2f09ac4d8eaba8e3def9:oauth2:email openid profile
11-06 10:25:48.901 5418 5727 W WM-Processor: Didn't find WorkSpec for id WorkGenerationalId(workSpecId=91662632-3512-4c22-b955-854423c7c01f, generation=0)
11-06 10:25:48.908 5115 5201 E Unity : Auth Result not handled: GooglePlayNotReady
11-06 10:25:48.908 5115 5201 E Unity : #0 0x7a48495108 (libunity.so) ? 0x0
...
11-06 10:25:48.908 5115 5201 E Unity : #23 0x7a668e7f3c (base.odex) ? 0x0
11-06 10:25:48.908 5115 5201 E Unity :
11-06 10:25:44.972 0 0 I [3: kworker/3:0: 5314] handle_timestamp_sync: 1228499
11-06 10:25:48.911 6269 6269 D GmsAuthManager: peekAuthToken: com.nianticproject.ingress:2fdd51d9ad71baab182b2f09ac4d8eaba8e3def9:audience:server:client_id:369030586920.apps.googleusercontent.com?include_email=1&include_profile=1
11-06 10:25:48.923 6269 6269 D GmsAuthManager: peekAuthToken: com.nianticproject.ingress:2fdd51d9ad71baab182b2f09ac4d8eaba8e3def9:oauth2:email openid profile
11-06 10:25:48.926 6269 6269 D GmsAuthManager: peekAuthToken: com.nianticproject.ingress:2fdd51d9ad71baab182b2f09ac4d8eaba8e3def9:audience:server:client_id:369030586920.apps.googleusercontent.com?include_email=1&include_profile=1