"Unfortunately, Pandora has stopped.

[HeyYou]

Have four LG Zone 4 cellphones, android 7.1.2.  Pandora works on two.  On other two, on trying to open Pandora, get prompt "Unfortunately, Pandora has stopped"  Repeat attempts brings up "Pandora keeps stopping".  Of the two that do NOT work, both formerly worked.  No modifications/updates made to any of the four.  

[AdamPandora]

@HeyYou Sorry to hear about the trouble.

Could you explain what's happening in more detail? The more information you can provide, the better I can help.

When this issue occurs: 

• Are you able to exit the error message and begin playing music? Or does that error message remain on your phone's screen, and prevent you from playing any music?
• If you close and re-launch the app, does the error message persist?
• Are you connected to Wi-Fi or cellular data?
  •  If using Wi-Fi, are you able to recover the listening session by toggling Wi-Fi off?
• Are you using a Bluetooth connection?
• Can you send me a screenshot of the error message you are seeing?

Additionally, please provide the Pandora app versions currently installed on your two devices:

• Pandora version (Settings > Applications > Manage Applications > Find Pandora):

Thanks for your help!

[HeyYou]

Hello AdamPandora

Thank you for your interest and response.

I use basic old cellphones as terminals, WiFi to radio. I have three such setups, my girlfriend has the fourth and signs in on her own Pandora account xx@. Two setups work, two don't. All are LG Zone 4 phones, all running android 7.1.2 which I understand is above the minimum required by you. Here are requested details:

Pandora 2506.1 works
Pandora 2504.1.1 works
Pandora 2610.2 does NOT work
Pandora 2610.1 does NOT work

I had already concluded "version" could well be the problem. On the two non functioning units, I have deleted and reinstalled Pandora. Same outcome.

Yes I can exit the "Unfortunately, Pandora has stopped". Second try produces slightly different "Pandora keeps stopping" which I can exit. I attach screenshots (3) showing the three variations. WiFi, cellular . . . makes no difference. Toggling WiFi makes no difference. No bluetooth used in tests.

Figuring Pandora "version" is the problem, I've searched for an older Pandora APK, have not found one, but not sure I know what I'm doing. The Swiss company Proton was able to give an exact APK when their service came up something like "your cellphone is too old". That worked on my "old" machines. But that was Proton.

Pandora is a big part of my day. And of my girlfriend. I hope you have some ideas.

Moderator Edit: Removed Personal Info