1. bartman99's Avatar
    I have a tablet running Android 11. Android is up to date. For the most part, everything works. I just can't get some apps to connect to the internet (aways the same apps). For instance, the HBOMax app doesn't connect. It says I am offline. I can simultaneously connect to HBOMax via the browser, but not the app. Same thing with Speedtest app. No connection with the app. Fine in the browser. Same thing with my Surfshark app. I can logon to the VPN if I do it manually, but the app says no internet when I try auto-login. These apps run fine on my Pixel phoneI have tried to troubleshoot doing all of the following, multiple times
    -Delete app cache and storage. Delete app. reinstall app
    -Restart router. Restart tablet
    -Turn wifi on and off on tablet
    -Tried Wifi at home, at work (different networks) and on the road
    _Tried turning off or on the VPN

    For Speedtest, I don't really care, but for HBOMax, it is an issue. The app has a lot more options than the browser.

    Thoughts?

    Why some apps can't connect via Wifi-hbomax.jpg
    07-15-2021 03:29 PM
  2. B. Diddy's Avatar
    Welcome to Android Central! Just to be sure -- this happens when you're not using a VPN as well?

    It sounds like you've already tried a bunch of things related to your wi-fi network, but look through this guide: http://forums.androidcentral.com/amb...-problems.html. Try disabling IPv6, if you haven't already.
    07-15-2021 03:44 PM
  3. bartman99's Avatar
    Yes, when VPN is disabled, same problem. IPv6 disabled.
    07-15-2021 04:03 PM
  4. mustang7757's Avatar
    Yes, when VPN is disabled, same problem. IPv6 disabled.
    Make sure in settings>connection>DNS is automatic or off
    07-15-2021 08:31 PM
  5. B. Diddy's Avatar
    Which tablet are you using?
    07-15-2021 10:55 PM
  6. Laura Knotek's Avatar
    Does it work if you turn off Bluetooth on your tablet when you turn on WiFi? Sometimes Bluetooth interferes with WiFi.
    mustang7757 and B. Diddy like this.
    07-15-2021 11:38 PM
  7. bartman99's Avatar
    Make sure in settings>connection>DNS is automatic or off
    It was set to automatic, I turned it off.
    07-16-2021 10:26 AM
  8. bartman99's Avatar
    Does it work if you turn off Bluetooth on your tablet when you turn on WiFi? Sometimes Bluetooth interferes with WiFi.
    Bluetooth is off. No difference
    07-16-2021 10:26 AM
  9. bartman99's Avatar
    Which tablet are you using?
    Blackview Tab 10
    07-16-2021 10:27 AM
  10. bartman99's Avatar
    With experimentation, I have more information. Some apps (like Play Store, eBay, LastPass would not connect with VPN off. When I turn VPN on (to a nearby server), I can connect. I checked all the location settings and as far as I can tell, all are set correctly (USA, NYC time zone). Google maps finds my location fine also. Does this suggest anything else?
    07-16-2021 10:34 AM
  11. mustang7757's Avatar
    With experimentation, I have more information. Some apps (like Play Store, eBay, LastPass would not connect with VPN off. When I turn VPN on (to a nearby server), I can connect. I checked all the location settings and as far as I can tell, all are set correctly (USA, NYC time zone). Google maps finds my location fine also. Does this suggest anything else?
    Maybe for testing Uninstall VPN and reboot the device
    07-16-2021 10:43 AM
  12. bartman99's Avatar
    I uninstalled the VPN. Turns out that the apps that would only connect with VPN, now connect without it (Thanks Mustang!). I still can't get the original apps to connect however.(HBOmax, Speedtest and several others I have tried).
    mustang7757 likes this.
    07-16-2021 11:03 AM
  13. mustang7757's Avatar
    I uninstalled the VPN. Turns out that the apps that would only connect with VPN, now connect without it (Thanks Mustang!). I still can't get the original apps to connect however.(HBOmax, Speedtest and several others I have tried).
    Any Ad gurads ?
    07-16-2021 11:12 AM
  14. bartman99's Avatar
    Any Ad gurads ?
    Nope
    07-16-2021 11:33 AM
  15. mustang7757's Avatar
    Nope
    Sounds like something got messed up settings wise , possible factory reset might fix
    07-16-2021 11:57 AM
  16. B. Diddy's Avatar
    Try booting into Recovery and wiping the cache partition: https://www.hardreset.info/devices/b...recovery-mode/
    07-16-2021 12:35 PM
  17. bartman99's Avatar
    Try booting into Recovery and wiping the cache partition: https://www.hardreset.info/devices/b...recovery-mode/
    I can get into recovery, but there is no option to clear the cache. Just wipe the whole thing. I haven't done that yet, but probably will.
    07-16-2021 03:28 PM
  18. B. Diddy's Avatar
    Ah, in that case, the device probably uses dual A/B partitions for seamless updates (which means no way to wipe the cache partition).
    07-16-2021 03:50 PM
  19. bartman99's Avatar
    Follow up: Wiped everything/Factory reset. Reinstalled everything from backup. Now everything works! Weird?
    mustang7757 and B. Diddy like this.
    07-20-2021 11:38 AM
  20. mustang7757's Avatar
    Follow up: Wiped everything/Factory reset. Reinstalled everything from backup. Now everything works! Weird?
    Thanks for the follow up and glad it's working again
    07-20-2021 11:40 AM

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